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": ""}
  emx  MEXICO  ;(F William R. Anderson 1966-10-18 (~uc  Trema micrantha ]B^/:   9t 1266028     L! trema ROSALES &oL `      YQ: WILLIAM R. ANDERSON   Ql[  CONTACT UM HERBARIUM  hLar SAN LUIS POTOS  Cann4baceae c.!?  micrantha B   tm 4051     BLUME Ln  
{"catalogNumber": "1266028", "order": "Rosales", "family": "Cannabaceae", "scientificName": "Trema micrantha", "scientificNameAuthorship": "Blume", "genus": "Trema", "subgenus": "", "specificEpithet": "micrantha", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "William R. Anderson", "recordedBy": "William R. Anderson", "recordNumber": "4051", "verbatimEventDate": "1966-10-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "San Luis Potosi", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}