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": ""}
   12708 53F    Mexico UeYA      rD w.r.anderson   r LIMESTONE HILL WITH BRUSHY COVER  ODz mcvaughii      ? e WILLIAM R. ANDERSwON  0 1553118 1983-09-18 s7Z        
{"catalogNumber": "1553118", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "W.R.Anderson", "genus": "", "subgenus": "", "specificEpithet": "mcvaughii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William R. Anderson", "recordNumber": "12708", "verbatimEventDate": "1983-09-18", "habitat": "limestone hill with brushy cover", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}