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 +v     (L.) KOEHNE : (|    9g Vitaceae new hanover ^    (,A Cape Fear River, Wilmington grpm 44221 K8W2      1897-06-30 V@rn north carolina   [p 1506590    arborea  .x  Not evident  Z dSX s.n.    
{"catalogNumber": "1506590", "order": "", "family": "Vitaceae", "scientificName": "", "scientificNameAuthorship": "(L.) Koehne", "genus": "", "subgenus": "", "specificEpithet": "arborea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Not evident", "recordNumber": "s.n.", "verbatimEventDate": "1897-06-30", "habitat": "", "occurrenceRemarks": "GRPM 44221", "associatedTaxa": "", "country": "United States", "stateProvince": "North Carolina", "county": "New Hanover", "municipality": "", "locality": "Cape Fear River, Wilmington", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}