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": ""}
   ranunculaceae l    8 MICHIGAN   9+A RANUNCULALES       dd thalictrum THALICTRUM REVOLUTUM zr      1 1334531   william a. mackinnon  yY9y    46.743421 o    1q-u Hardwood floodplain, in sandy soilU with a two inch organic cap. Acer rubrum, Fraxinus nigra, Al7nus rugosa, Clematis virginiana, Humulus lulpulus, Vitis riparia, Carex bromoides.
{"catalogNumber": "1334531", "order": "Ranunculales", "family": "Ranunculaceae", "scientificName": "Thalictrum revolutum", "scientificNameAuthorship": "", "genus": "Thalictrum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William A. MacKinnon", "recordNumber": "", "verbatimEventDate": "", "habitat": "Hardwood floodplain, in sandy soil with a two inch organic cap. Acer rubrum, Fraxinus nigra, Alnus rugosa, Clematis virginiana, Humulus lulpulus, Vitis riparia, Carex bromoides.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "46.743421", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}