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": ""}
   +B Pithecellobium arenarium  tnzL venezuela   Amazonas +L a;    XGEw 1959-06-12  contact um herbarium 0eEn   arenarium `~ 7     Fabaceae a)  42959 nGPi?         Ducke  ]INb* FABALES    qa richard s. cowan  Pithecellobium ^u 
{"catalogNumber": "", "order": "Fabales", "family": "Fabaceae", "scientificName": "Pithecellobium arenarium", "scientificNameAuthorship": "Ducke", "genus": "Pithecellobium", "subgenus": "", "specificEpithet": "arenarium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Richard S. Cowan", "recordedBy": "", "recordNumber": "42959", "verbatimEventDate": "1959-06-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Venezuela", "stateProvince": "Amazonas", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}