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": ""}
 1497549 ?6_.   Caryophyllales O_UD    Wo  PERSICARIA CHINENSIS     P;^ Darjeeling Robatang, Darjeling Division 8     Persicaria  1_J    10460 /|k%    WEST BENGAL *Qxh   1936-12-20 q  POLYGONACEAE K   EA-5 CHINENSIS  INDIA v 
{"catalogNumber": "1497549", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Persicaria chinensis", "scientificNameAuthorship": "", "genus": "Persicaria", "subgenus": "", "specificEpithet": "chinensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "10460", "verbatimEventDate": "1936-12-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "West Bengal", "county": "Darjeeling", "municipality": "", "locality": "Robatang, Darjeling Division", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}