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": ""}
near tres casas UkU3   ; hevea    Malpighiales  1934-09-14 xRs        spruceana o      VP B. A. Krukoff AMAZNAS x/r:   g HEVEA SPRUCEANA  TT < (BENTH.) MULL.ARG.  ON VARZEA LAND fRg       
{"catalogNumber": "", "order": "Malpighiales", "family": "", "scientificName": "Hevea spruceana", "scientificNameAuthorship": "(Benth.) Mull.Arg.", "genus": "Hevea", "subgenus": "", "specificEpithet": "spruceana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "B. A. Krukoff", "recordNumber": "", "verbatimEventDate": "1934-09-14", "habitat": "On varzea land", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Amazonas", "county": "", "municipality": "", "locality": "Near Tres Casas", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}