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": ""}
 631  East Khasi Hills 1535971 y:   1829 b*x5   y*6 mghalaya     w9=r RUBIACEAE     _ thakur rup chand   P Z 1954-0-28 Rige field YQZk<   ]=ra Willhd. ex Schult. & Schult. f.   Slm arcytophyllum    5EZ) INDIA   8046A Z  m4wphlang e fT   N GENTIANALES 
{"catalogNumber": "1535971", "order": "Gentianales", "family": "Rubiaceae", "scientificName": "Arcytophyllum", "scientificNameAuthorship": "Willd. ex Schult. & Schult. f.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thakur Rup Chand", "recordNumber": "8046A", "verbatimEventDate": "1954-08-28", "habitat": "Rice field", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Meghalaya", "county": "East Khasi Hills", "municipality": "", "locality": "Mawphlang", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1829", "maximumElevationInMeters": ""}