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": ""}
R. 6861 c1    c malpighiaceae   s Bronwenia   ! bX CONTACT UM HERBARIUM    : 1993-07-1 JAMES A. RATTER .$Y?      +B= 1523164 (b. gates) w.r.anderson & c.davis *d3u      WURDA+CKII D       Malpighiales DuiL 
{"catalogNumber": "1523164", "order": "Malpighiales", "family": "Malpighiaceae", "scientificName": "", "scientificNameAuthorship": "(B. Gates) W.R.Anderson & C.Davis", "genus": "Bronwenia", "subgenus": "", "specificEpithet": "wurdackii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "James A. Ratter", "recordNumber": "R. 6861", "verbatimEventDate": "1993-07-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}