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": ""}
 nigrum =ugR     Tq!n vincetoxicum nigrum MOENCH 2,xp   c  on fence N. of Brookside Apts Adrian (ne. corner of Madison & Beecher)  &  LENAWEE 1222381 V   APOCYNACEAE D[-  gentianales b   q= RO8ERT W. SMITH    1984-07-16 ]a&    UNITED STATES ~s   Vincetoxicum _    P Michigan   
{"catalogNumber": "1222381", "order": "Gentianales", "family": "Apocynaceae", "scientificName": "Vincetoxicum nigrum", "scientificNameAuthorship": "Moench", "genus": "Vincetoxicum", "subgenus": "", "specificEpithet": "nigrum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert W. Smith", "recordNumber": "", "verbatimEventDate": "1984-07-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Lenawee", "municipality": "", "locality": "on fence N. of Brookside Apts Adrian (ne. corner of Madison & Beecher)", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}