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": ""}
   t 1921-10    MACARANGA +c?R$    6&@V malaysia  Lyk sandakan    =^R 20011     (MIQ.) MÃ¼LL.ARG. ?UJO  Malpighiales z sW     h_z0  MACARANGA PRUINOSA  balEB SANDAKAN, MYBURGH PROVINCE 1642668 ~*g    A. D. E. Elmer v8 sE  
{"catalogNumber": "1642668", "order": "Malpighiales", "family": "", "scientificName": "Macaranga pruinosa", "scientificNameAuthorship": "(Miq.) M\u00c3\u00bcll.Arg.", "genus": "Macaranga", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. D. E. Elmer", "recordNumber": "20011", "verbatimEventDate": "1921-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Malaysia", "stateProvince": "", "county": "Sandakan", "municipality": "", "locality": "Sandakan, Myburgh Province", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}