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": ""}
 1973-00-18 W   6 p 1258641    4M (l.) moench  #7Msr UNITED STATES  ericales lf  ERICACEAE JE@   Pq? chamaedaphne calyculata     lake hiYoh        _r 14235 MICHIGAN (?    A s1/2 sec. 12, t20n, r11w, ca. 2.5 mi. n [of bristol.  xCJt Chamaedaphne 
{"catalogNumber": "1258641", "order": "Ericales", "family": "Ericaceae", "scientificName": "Chamaedaphne calyculata", "scientificNameAuthorship": "(L.) Moench", "genus": "Chamaedaphne", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "14235", "verbatimEventDate": "1973-07-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Lake", "municipality": "", "locality": "S1/2 sec. 12, T20N, R11W, ca. 2.5 mi. N of Bristol.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}