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": ""}
 Pb robert w. smith  5 2bq 2901  f?p  1990-05-13     V  Cardamine low woods along slough of tittabawassee r.,  c   1%QFO bulbosa  MICHIGAN &O:Ft     9 (schreb. ex muhl.) britton, sterns & poggenb. cardamine bulbosa I    hE United States   6>M SAGINAW   hiA[ e. of center rd., s. of river, james twp. t11n r4e s4 nw<1/4 of nw1/4  43.39103 G         1481327
{"catalogNumber": "1481327", "order": "", "family": "", "scientificName": "Cardamine bulbosa", "scientificNameAuthorship": "(Schreb. ex Muhl.) Britton, Sterns & Poggenb.", "genus": "Cardamine", "subgenus": "", "specificEpithet": "bulbosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert W. Smith", "recordNumber": "2901", "verbatimEventDate": "1990-05-13", "habitat": "low woods along slough of Tittabawassee R.,", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Saginaw", "municipality": "", "locality": "e. of Center Rd., s. of river, James Twp. T11N R4E S4 nw1/4 of nw1/4", "decimalLatitude": "43.39103", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}