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": ""}
 ROBERT W. SMITH :    B 97 DESMODIUM 1986-0822  -    1Gk UNITED STATES     RAISIN TWP, N OF VALLEY RD, W OF WILMOTH HWY ;   0b 1334899     j 41.941271    ;@ MICHIGAN 1883 E0   sandy field 4YA      
{"catalogNumber": "1334899", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Desmodium", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert W. Smith", "recordNumber": "1883", "verbatimEventDate": "1986-08-22", "habitat": "Sandy field", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Raisin Twp, N of Valley Rd, W of Wilmoth Hwy", "decimalLatitude": "41.941271", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}