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": ""}
 flk( fabaceae Fabales a^    X[W 1504021 bluffs LTvkg   O0T s.n. A.Gray T6   Dane @   ov=H mazo-manie       United States    S.H. WATSON o      ,2m PSORALEA ESCULENTA     d 1860  wisconsin = * 
{"catalogNumber": "1504021", "order": "Fabales", "family": "Fabaceae", "scientificName": "Psoralea esculenta", "scientificNameAuthorship": "A.Gray", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "S.H. Watson", "recordNumber": "s.n.", "verbatimEventDate": "1860", "habitat": "Bluffs", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Wisconsin", "county": "Dane", "municipality": "", "locality": "Mazo-Manie", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}