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": ""}
 U h@L India   5 reinwardtia trigyna trigyna #[  REINWARDTIA D[t#:       $k walter n. koelz      `lns EAST KHASI HILLS   V8 1504633 29751 PSRS    ON OPEN SLOPE =xQ(Z      f.9 1952-05-08  meghalaya  M 
{"catalogNumber": "1504633", "order": "", "family": "", "scientificName": "Reinwardtia trigyna", "scientificNameAuthorship": "", "genus": "Reinwardtia", "subgenus": "", "specificEpithet": "trigyna", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "29751", "verbatimEventDate": "1952-05-08", "habitat": "On open slope", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Meghalaya", "county": "East Khasi Hills", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}