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": ""}
 Bf,V ARGYREIA  m7LC8 PYNURSLtA   [  1219   M india   1949-08-09 dX(KD    Cw 1521648  SOLANALES <g]M5  Thakur Rup Chand <   % covolvulaceae     YS.- MEGHALAYA IN THICKET hMh/!    < 1952  Argyreia yS    7joN0 EAST KHASI HILLS  
{"catalogNumber": "1521648", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "Argyreia", "scientificNameAuthorship": "", "genus": "Argyreia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thakur Rup Chand", "recordNumber": "1952", "verbatimEventDate": "1949-08-09", "habitat": "In thicket", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Meghalaya", "county": "East Khasi Hills", "municipality": "", "locality": "Pynursla", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1219", "maximumElevationInMeters": ""}