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": ""}
     xb PUSILLA   malpighiaceae T X   1  3Q tetrapterys pusilla   33 PbL    1545972 I^      Cuyuni-Mazaruni. Pkaraima Mts, upland savanna 2-5 km  N Imbaimadai settlement JziP    d tetrapterys     1992-10-20 @Nl 
{"catalogNumber": "1545972", "order": "", "family": "Malpighiaceae", "scientificName": "Tetrapterys pusilla", "scientificNameAuthorship": "", "genus": "Tetrapterys", "subgenus": "", "specificEpithet": "pusilla", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "33", "verbatimEventDate": "1992-10-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Cuyuni-Mazaruni. Pakaraima Mts, upland savanna 2-5 km N Imbaimadai settlement", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}