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 7    k.mw  1960-06-12  # Convolvulaceae   & 1222499 t 6 s, r 13 w,F sec. 35, 1/2 mile eastB of jones ^$ 9  United States ?1U       CASS &xE  -85.7894 g(    @u calystegia solanales [W LO        
{"catalogNumber": "1222499", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "Calystegia spithamaea", "scientificNameAuthorship": "", "genus": "Calystegia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1960-06-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Cass", "municipality": "", "locality": "T 6 S, R 13 W, Sec. 35, 1/2 mile east of Jones", "decimalLatitude": "", "decimalLongitude": "-85.7894", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}