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": ""}
   GtiAM NEAR ROGERS', KENTUCKY RIVER AT THE RICHMOND ROAD  cliffs; hillside Z?O   6] 789i purpurea [)Z     cxt GENTIANALES HOUSTONIA PURPUREA [    Fayette &M/y   dIh -84.36667 robert pe7er    kentucky $          L.   1536172 aJ   >+mkF united states  *u Rubiaceae   D,~ 37.9
{"catalogNumber": "1536172", "order": "Gentianales", "family": "Rubiaceae", "scientificName": "Houstonia purpurea", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "purpurea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert Peter", "recordNumber": "789i", "verbatimEventDate": "", "habitat": "Cliffs; hillside", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Kentucky", "county": "Fayette", "municipality": "", "locality": "Near Rogers', Kentucky River at the Richmond Road", "decimalLatitude": "37.9", "decimalLongitude": "-84.36667", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}