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": ""}
  1985-08-03 2        ) E. LÃ³pez-E. Ventura       F CACAHOATÃ¡N    convolvulacea ZFF$~  2849  $>q   MEXICO  !v:s    vug; 14.9859 Cham. & Schltdl. t@Tmw   OF Dioscoreales  
{"catalogNumber": "", "order": "Dioscoreales", "family": "", "scientificName": "", "scientificNameAuthorship": "Cham. & Schltdl.", "genus": "", "subgenus": "", "specificEpithet": "convolvulacea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "E. L\u00c3\u00b3pez-E. Ventura", "recordNumber": "2849", "verbatimEventDate": "1985-08-03", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "Cacahoat\u00c3\u00a1n", "municipality": "", "locality": "", "decimalLatitude": "14.9859", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}