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": ""}
   =z. sapindales  protium serratum A 16Q        ri[X Burseraceae  Meghalaya     burnihat, khasi hills ,y^ul   y 61      walter n. koelz   L#h 1504972 ri-bhoi J`@    p (WALL. EX COLEBR.) ENGL.  1949-06-04 x   serratum _&  
{"catalogNumber": "1504972", "order": "Sapindales", "family": "Burseraceae", "scientificName": "Protium serratum", "scientificNameAuthorship": "(Wall. ex Colebr.) Engl.", "genus": "", "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": ""}