Refactor the unstructured text into a valid JSON dictionary. The key names follow the Darwin Core Archive Standard. If a key lacks content, then insert an empty string. Fill in the following JSON structure as required: {"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}
   b$U( michigan  42.1 [  1991-08-3 1   United Staes  &]   dry sand embnkment in railroao right-of-way associates: Osetaria viridis; kochia scoparia;cyperus filiculmis;oxalis stricta;ambrosia artemisiifolia; centaurea maculosa;poa compressa;nepeta cataria;panicum oligo- santhes;sporobolus cryptandrus;aristida purpurascens ;   b7Q poales  capillaris _P   bi decatur twp. t:04s r:14w s:19 sub-s:sw1/4 southwest side of decatur;about 50 meters southwest of the junctiown of 45th street & the amtrak railroad (L.) Nees 91   WILLIAM W. BRODOVICH j    SZm 978    ?. / ERAGROSTIS    ERAGROSTIS CAPILLARIS Ma6  van buren 1J  1216718 = 
{"catalogNumber": "1216718", "order": "Poales", "family": "", "scientificName": "Eragrostis capillaris", "scientificNameAuthorship": "(L.) Nees", "genus": "Eragrostis", "subgenus": "", "specificEpithet": "capillaris", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William W. Brodovich", "recordNumber": "978", "verbatimEventDate": "1991-08-23", "habitat": "Dry sand embankment in railroad right-of-way Associates: Setaria viridis; Kochia scoparia;Cyperus filiculmis;Oxalis stricta;Ambrosia artemisiifolia; Centaurea maculosa;Poa compressa;Nepeta cataria;Panicum oligo- santhes;Sporobolus cryptandrus;Aristida purpurascens", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Van Buren", "municipality": "", "locality": "Decatur Twp. T:04S R:14W S:19 Sub-S:SW1/4 Southwest side of Decatur;about 50 meters southwest of the junction of 45th street & the Amtrak railroad", "decimalLatitude": "42.1", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}