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": ""}
  b  pinnata GEORGE L. AMES ~[Tb]  1539943 g(!.Q  dunited states rIV  (VENT.) BARNHART q.     Ee M RATIBIDA   pA  1855-07    2$ tennessee  X#6B s.n.     contact um herbarium  qq<    6 RATIBIDA PNNATA  a|EX ASTERACEAE Decatur i)9*V       YO  asterales
{"catalogNumber": "1539943", "order": "Asterales", "family": "Asteraceae", "scientificName": "Ratibida pinnata", "scientificNameAuthorship": "(Vent.) Barnhart", "genus": "Ratibida", "subgenus": "", "specificEpithet": "pinnata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George L. Ames", "recordNumber": "s.n.", "verbatimEventDate": "1855-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Tennessee", "county": "Decatur", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}