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": ""}
s.n. Ng     r (l.) small   CAMPANULASTRUM 8Z   mDM ROBERT PETER 38.05 t  Fayette MH   campanulastrum americanum  8   asterales `<^   _iDuj americanum Campanulaceae >   KENTUCKY f         t ;< -84.5 fence corners      FKM<: 1537353
{"catalogNumber": "1537353", "order": "Asterales", "family": "Campanulaceae", "scientificName": "Campanulastrum americanum", "scientificNameAuthorship": "(L.) Small", "genus": "Campanulastrum", "subgenus": "", "specificEpithet": "americanum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert Peter", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "Fence corners", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Kentucky", "county": "Fayette", "municipality": "", "locality": "", "decimalLatitude": "38.05", "decimalLongitude": "-84.5", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}