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": ""}
 h6jZB 789c     $`4 kentucky  awH d americanus 1834-06-21 wbwx$     h L. RHAMNACEAE |    37.9 ?-Qz      )T|i. -84.36667  H) Rosales Robert L. Peter x   v# UNITED STATES  ~@2P cliffs    <cF FAYETTE  1506443 o*m  CEANOTHUS AMERICANUS $     Near Rogers', Kentycky River at the Richmond Rd.
{"catalogNumber": "1506443", "order": "Rosales", "family": "Rhamnaceae", "scientificName": "Ceanothus americanus", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "americanus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert L. Peter", "recordNumber": "789c", "verbatimEventDate": "1834-06-21", "habitat": "Cliffs", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Kentucky", "county": "Fayette", "municipality": "", "locality": "Near Rogers', Kentycky River at the Richmond Rd.", "decimalLatitude": "37.9", "decimalLongitude": "-84.36667", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}