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": ""}
 1986-10-18 2 :           PULCHELLA =z        R. VANNI, J. DAVIÃ±A Y L.x PIETRARELLI l6R]   Ez5NG MISIONES    Arbol 3-4 m alt. flores blancas q[   (BAILL.) MÃ¼LL. ARG. u)f  
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "(Baill.) M\u00c3\u00bcll. Arg.", "genus": "", "subgenus": "", "specificEpithet": "pulchella", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. Vanni, J. Davi\u00c3\u00b1a y L. Pietrarelli", "recordNumber": "", "verbatimEventDate": "1986-10-18", "habitat": "", "occurrenceRemarks": "Arbol 3-4 m alt. flores blancas", "associatedTaxa": "", "country": "", "stateProvince": "Misiones", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}