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": ""}
1966-08-22 Xv         pm 20.2531   J& BRITTON & ROSE   m 1152523      -97.5178  0ky     CHAMAECRISTA RUFA U  10 E+C   d RUFA Veracruz -hqo    d_s R. Barneby M. Rosas R. _n!  Mexico [o@.Y 
{"catalogNumber": "1152523", "order": "", "family": "", "scientificName": "Chamaecrista rufa", "scientificNameAuthorship": "Britton & Rose", "genus": "", "subgenus": "", "specificEpithet": "rufa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "R. Barneby", "recordedBy": "M. Rosas R.", "recordNumber": "10", "verbatimEventDate": "1966-08-22", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Veracruz", "county": "", "municipality": "", "locality": "", "decimalLatitude": "20.2531", "decimalLongitude": "-97.5178", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}