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": ""}
1951-09-15 * fT    c M 4728  XG Thakur Rup Chand  Y EK acuminata  INDIA u2]::4        )f qx 1219      eurya OXw   east khasi hills ~b+2  Ericales mkp^  mawryngkneng BN   D. h   q9A eurya acuminata  fA theaceae
{"catalogNumber": "", "order": "Ericales", "family": "Theaceae", "scientificName": "Eurya acuminata", "scientificNameAuthorship": "DC.", "genus": "Eurya", "subgenus": "", "specificEpithet": "acuminata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thakur Rup Chand", "recordNumber": "4728", "verbatimEventDate": "1951-09-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "", "county": "East Khasi Hills", "municipality": "", "locality": "Mawryngkneng", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1219", "maximumElevationInMeters": ""}