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": ""}
OLIVER A. FARWELL 5P     7169 F     5-u monroe   fbx United States   oF asteraceae   asterales q0   6u 1924-07-17 michigan wJ  vernonia gigantea Ynfky    4.86782 +n     _ J 6IGANTEA      qF32 1258243 -83.45216 . 
{"catalogNumber": "1258243", "order": "Asterales", "family": "Asteraceae", "scientificName": "Vernonia gigantea", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "gigantea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Oliver A. Farwell", "recordNumber": "7169", "verbatimEventDate": "1924-07-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Monroe", "municipality": "", "locality": "", "decimalLatitude": "41.86782", "decimalLongitude": "-83.45216", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}