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": ""}
   42.73281 e       united states =!   /_ CUSCUTA GROVNOVII  </a( 1917-10-07  gronovii OBiw    CUSCUTA ]e*   ~a6 OAKLAMD     ;2% [on Cephalamthus]; [presumably 1917]  solanales m5k    
{"catalogNumber": "", "order": "Solanales", "family": "", "scientificName": "Cuscuta gronovii", "scientificNameAuthorship": "", "genus": "Cuscuta", "subgenus": "", "specificEpithet": "gronovii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1917-10-07", "habitat": "", "occurrenceRemarks": "[on Cephalanthus]; [presumably 1917]", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Oakland", "municipality": "", "locality": "", "decimalLatitude": "42.73281", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}