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": ""}
 & ASTERALES  [ A 1949-07-08  Crepis  V   S silhetensis 1829 %  23080 J%      walter n. koelz   crepis silhetensis Ng        NQrw meghalaya asteraceae gm4       .T| 1538321    N east khasi hills (DC. EX FROEL.) HOOK. FIL. L  
{"catalogNumber": "1538321", "order": "Asterales", "family": "Asteraceae", "scientificName": "Crepis silhetensis", "scientificNameAuthorship": "(DC. ex Froel.) Hook. fil.", "genus": "Crepis", "subgenus": "", "specificEpithet": "silhetensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "23080", "verbatimEventDate": "1949-07-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Meghalaya", "county": "East Khasi Hills", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1829", "maximumElevationInMeters": ""}