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": ""}
    houstonia  1      CLIFF5; HILLSIDE .    + -84.36667 gentianales P<W    l. XH5y1       united states >cC:b  RUBIACEAE t74  789i   m  NEAR ROGERS', KENTUCKY RIVER AT THE RICHMOND ROAD      iRq purpurea  
{"catalogNumber": "", "order": "Gentianales", "family": "Rubiaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Houstonia", "subgenus": "", "specificEpithet": "purpurea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "789i", "verbatimEventDate": "", "habitat": "Cliffs; hillside", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Near Rogers', Kentucky River at the Richmond Road", "decimalLatitude": "", "decimalLongitude": "-84.36667", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}