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:g  (dc. ex froel.) hook. fil. east khasi hills w]!Rc  MAWPHLANG n#g   h= Crepis   ) m^ THAKUR RUP CHAND   l`u. MEGHALAYA   6Me asteraceae 1538322 ,$   ~3TBp 7579 INDIA k      Crepis silhetensis g*^ <   old field va   h pO 1954-04-15    n] silhetensis 1829 9n74*  
{"catalogNumber": "1538322", "order": "", "family": "Asteraceae", "scientificName": "Crepis silhetensis", "scientificNameAuthorship": "(DC. ex Froel.) Hook. fil.", "genus": "Crepis", "subgenus": "", "specificEpithet": "silhetensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thakur Rup Chand", "recordNumber": "7579", "verbatimEventDate": "1954-04-15", "habitat": "Old field", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Meghalaya", "county": "East Khasi Hills", "municipality": "", "locality": "Mawphlang", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1829", "maximumElevationInMeters": ""}