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": ""}
 1u3; 1949-09-01   TREE, 18" DIA. )  MÃ¼LL. ARG. /x   7 macaranga malpighiales z.  macaranga denticulata as     * Meghalaya   a  A denticulata    LC 1505372   euphorbiaceae  t  East Khasi Hills h45   1219  D#w    BbQ pynursla Walter N. Koelz ~v   P$ shaw  
{"catalogNumber": "1505372", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Macaranga denticulata", "scientificNameAuthorship": "M\u00c3\u00bcll. Arg.", "genus": "Macaranga", "subgenus": "", "specificEpithet": "denticulata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Shaw", "recordedBy": "Walter N. Koelz", "recordNumber": "", "verbatimEventDate": "1949-09-01", "habitat": "", "occurrenceRemarks": "Tree, 18\" dia.", "associatedTaxa": "", "country": "", "stateProvince": "Meghalaya", "county": "East Khasi Hills", "municipality": "", "locality": "Pynursla", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1219", "maximumElevationInMeters": ""}