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": ""}
  0  ranunculus    b&E stephen ross   =Iw "FLOWERS YELLOW" Michigan ]          *B MUH L. EX BIGE LOW        W34[~ 43.49298   m~E a few in dry sandy soil in utility right-of-way.  %U6; 1172  
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "Muhl. ex Bigelow", "genus": "Ranunculus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Stephen Ross", "recordNumber": "1172", "verbatimEventDate": "", "habitat": "A few in dry sandy soil in utility right-of-way.", "occurrenceRemarks": "\"Flowers yellow\"", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "43.49298", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}