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": ""}
   RX[ b. hansen & j. hansen  uUB; MART.    dulcis YI      W1%1 oaxaca      &6 ZAPOTITLÃ¡N PALMAS   R;e Arecaceae      Brahea dulcis l    g0 ROCKY SCRUBY GRASSLAND  
{"catalogNumber": "", "order": "", "family": "Arecaceae", "scientificName": "Brahea dulcis", "scientificNameAuthorship": "Mart.", "genus": "", "subgenus": "", "specificEpithet": "dulcis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "B. Hansen & J. Hansen", "recordNumber": "", "verbatimEventDate": "", "habitat": "Rocky scruby grassland", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Oaxaca", "county": "Zapotitl\u00c3\u00a1n Palmas", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}