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": ""}
 Exw!7 guizotia    :dn ASTERALES SURGUJA y      CHHATTISGARH cM    2OM walter n. koelz  19271 H     <X+  538669  Khuri ]o o~  Asteraceae 02)_    Qh^ OLD FIELD   . $  Guizotia   India LJ   G4H~R 1947-10-12 
{"catalogNumber": "1538669", "order": "Asterales", "family": "Asteraceae", "scientificName": "Guizotia", "scientificNameAuthorship": "", "genus": "Guizotia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "19271", "verbatimEventDate": "1947-10-12", "habitat": "Old field", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Chhattisgarh", "county": "Surguja", "municipality": "", "locality": "Khuri", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}