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": ""}
MARSHALL RD. EAST SIDE OF ROAD, A LITTLE LESS THAN 1/2 MILE SOUTH OF U.S. 31. Ac*   -86.039117 d5&1]   $+ NUTANS  SORGHASTRUM $  44.660846 d      v?^ml MICHIGAN 1976-08 ~,N    oGI- UNITED STATES 2419 %csrE     sorghastrum nutas V&    W$7 POALES  S # 1315723  C benzie   (L.) Nash X+  
{"catalogNumber": "1315723", "order": "Poales", "family": "", "scientificName": "Sorghastrum nutans", "scientificNameAuthorship": "(L.) Nash", "genus": "Sorghastrum", "subgenus": "", "specificEpithet": "nutans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "2419", "verbatimEventDate": "1976-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Benzie", "municipality": "", "locality": "Marshall Rd. east side of road, a little less than 1/2 mile south of U.S. 31.", "decimalLatitude": "44.660846", "decimalLongitude": "-86.039117", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}