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": ""}
  UNITED STATES ^5G   XR thunb.       841 MICHIGAN   2224 nSAi  celastraceae  n   Celastrus W$fU   u T02N R08W S19 NW1/4, 42.547136, -85.304277 bradford s. slaughter 7]&U      n_=p orbiculatus     
{"catalogNumber": "", "order": "", "family": "Celastraceae", "scientificName": "", "scientificNameAuthorship": "Thunb.", "genus": "Celastrus", "subgenus": "", "specificEpithet": "orbiculatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Bradford S. Slaughter", "recordNumber": "2224", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "T02N R08W S19 NW1/4, 42.547136, -85.304277", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}