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": ""}
   poaceae erVl         5f4M michigan    7 cB6 "ASSOC.: CENTAUREA MACULOSA, POA COMPRESSA, AMBROSIA ARTEMISIIFOLIA, PANICUM CAPILLARE"  k! s2 44.6777     g>nw -84.71753 se cornerof airport outside the fence. t26n r03w, sec^. 6 se1/4 sw1/4 wO6$       phyllis j. higman    
{"catalogNumber": "", "order": "", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Phyllis J. Higman", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "\"Assoc.: Centaurea maculosa, Poa compressa, Ambrosia artemisiifolia, Panicum capillare\"", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "SE corner of Airport outside the fence. T26N R03W, Sec. 6 SE1/4 SW1/4", "decimalLatitude": "44.6777", "decimalLongitude": "-84.71753", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}