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": ""}
southwest swamp, george reserve. f   United States ,,   ypl eurycarpum  3bt S.N.        o7m@  SBARGANIUM    Engelm.   ]yBs  livingston Owen J. Sexton [  1955-06-16 P|h01   sparganium eurycarpum @ie:    ^7&: 1517667 POALES *v(   TYPHACEAE G>:   michigan ?3>  
{"catalogNumber": "1517667", "order": "Poales", "family": "Typhaceae", "scientificName": "Sparganium eurycarpum", "scientificNameAuthorship": "Engelm.", "genus": "Sparganium", "subgenus": "", "specificEpithet": "eurycarpum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Owen J. Sexton", "recordNumber": "s.n.", "verbatimEventDate": "1955-06-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Livingston", "municipality": "", "locality": "Southwest Swamp, George Reserve.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}