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": ""}
63 3Q     R. Barneby k   18.9174 4      x rufa  EDMUND KERBER gc |   = britton & rose    MEXICO d^x   |:mh FABALES  Chamaecrista rufa f81]    1882-10-09 K  chamaecrista  B     B 1152525
{"catalogNumber": "1152525", "order": "Fabales", "family": "", "scientificName": "Chamaecrista rufa", "scientificNameAuthorship": "Britton & Rose", "genus": "Chamaecrista", "subgenus": "", "specificEpithet": "rufa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "R. Barneby", "recordedBy": "Edmund Kerber", "recordNumber": "63", "verbatimEventDate": "1882-10-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "18.9174", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}