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": ""}
  1966-04-22 $ze   n4J fabaceae     bu5 Z EscÃ¡rcega    ,  ingeniero eduardo sangri serrano; km 5 carr. escã¡rcega a candelaria, campo experimentanl forestal tropical el tormento   c  vatairea    Selva mediana subperennifolia jTK           18.6161    1183891 **gE4 
{"catalogNumber": "1183891", "order": "", "family": "Fabaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Vatairea", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1966-04-22", "habitat": "Selva mediana subperennifolia", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Esc\u00c3\u00a1rcega", "municipality": "", "locality": "Ingeniero Eduardo Sangri Serrano; km 5 carr. Esc\u00c3\u00a1rcega a Candelaria, Campo Experimental Forestal Tropical El Tormento", "decimalLatitude": "18.6161", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}