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": ""}
 7G  1243337 united states nF   Frequent in ditch [ ]GI   -axMs L.  1983-07-26 ~:z      CEPHAANTHUS OCCIDENTALIS  MICH1IGAN AFr  occidentalis F     JOHN V. FREUDENSTEIN vlxNO   t10n r1w sec 13 along buchanan rd. [+ @A   Xw rubiaceae  Sl, gentianales Cephalanthus d  839 KoQ$  GRATIOT t2  X      
{"catalogNumber": "1243337", "order": "Gentianales", "family": "Rubiaceae", "scientificName": "Cephalanthus occidentalis", "scientificNameAuthorship": "L.", "genus": "Cephalanthus", "subgenus": "", "specificEpithet": "occidentalis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John V. Freudenstein", "recordNumber": "839", "verbatimEventDate": "1983-07-26", "habitat": "Frequent in ditch", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Gratiot", "municipality": "", "locality": "T10N R1W Sec 13 along Buchanan Rd.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}