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 pK         vincetoxicum nigrum 666 5* 9   gentianales 6R    & ]5 Beverly S. Walters  g MICHIGAN Apocynaceae 0XI  oakland k&h8   moe nch 9 m 2   fK 1222386 2000-09-15 Z   STEEP WOODED SLOPE AGRESSIVE GROUNDCOVER. ?    -83.37782  ? ;    q  ( VINCETOXICUM  UNITED STATES  O >M   e`( 42.57698
{"catalogNumber": "1222386", "order": "Gentianales", "family": "Apocynaceae", "scientificName": "Vincetoxicum nigrum", "scientificNameAuthorship": "Moench", "genus": "Vincetoxicum", "subgenus": "", "specificEpithet": "nigrum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Beverly S. Walters", "recordNumber": "666", "verbatimEventDate": "2000-09-15", "habitat": "steep wooded slope Aggressive groundcover.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Oakland", "municipality": "", "locality": "", "decimalLatitude": "42.57698", "decimalLongitude": "-83.37782", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}