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": ""}
 AOx4 1949-06-04 WALTER N. KOELZ gIq        burnihat, khasi hills 03  SERRATUM  C]   7lB?w protium serratum   V[ Sapindales       #/u RIBHOI  burseraceae 0E%l@   dv 61   0;*  (WALL.d EX COLEBR.) ENGL. Protium X6@   meghalaya   
{"catalogNumber": "", "order": "Sapindales", "family": "Burseraceae", "scientificName": "Protium serratum", "scientificNameAuthorship": "(Wall. ex Colebr.) Engl.", "genus": "Protium", "subgenus": "", "specificEpithet": "serratum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "", "verbatimEventDate": "1949-06-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Meghalaya", "county": "Ri-Bhoi", "municipality": "", "locality": "Burnihat, Khasi Hills", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "61", "maximumElevationInMeters": ""}