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": ""}
 &  Dioscorea densiflora      n z5 MEXICO   | dioscoreales   [g DENSIFLORA  &_Hw Selva alta perennifolia    oswaldo tã©llez v. 9F    .3zv^ 17.565 1983-02-11 |3L+U      mRq; hemsl.         R?!D% teapa
{"catalogNumber": "", "order": "Dioscoreales", "family": "", "scientificName": "Dioscorea densiflora", "scientificNameAuthorship": "Hemsl.", "genus": "", "subgenus": "", "specificEpithet": "densiflora", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Oswaldo T\u00c3\u00a9llez V.", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1983-02-11", "habitat": "Selva alta perennifolia", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "Teapa", "municipality": "", "locality": "", "decimalLatitude": "17.565", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}