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": ""}
 x+St+ 1947-09-20 IN SANDY FIELD.   #Z        u~ M298         big prairie desert. lanceolata x&bw        Coreopsis     1482054 t   common. | p.;  
{"catalogNumber": "1482054", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Coreopsis", "subgenus": "", "specificEpithet": "lanceolata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "M298", "verbatimEventDate": "1947-09-20", "habitat": "In sandy field.", "occurrenceRemarks": "Common.", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Big Prairie Desert.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}