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": ""}
  Calystegia spithamaea Pa5   47.246592  +Z4U  CALYSTEGIA  !$S|  United States pzW :    (l.) pursh  T)LM    ;hz 16764  75a!5 spithamaea  Mf$k, CALUMET 1928-07-15 H8  Convolvulaceae  ,,   Michigan M  Dry sandy fields. 3   Solana|es f    `kPZ Houghton  -88.454006 P    
{"catalogNumber": "", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "Calystegia spithamaea", "scientificNameAuthorship": "(L.) Pursh", "genus": "Calystegia", "subgenus": "", "specificEpithet": "spithamaea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "16764", "verbatimEventDate": "1928-07-15", "habitat": "Dry sandy fields.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Houghton", "municipality": "", "locality": "Calumet", "decimalLatitude": "47.246592", "decimalLongitude": "-88.454006", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}