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": ""}
Thakur Rup Chand Y[fI     @MS 914   77  1552  ,rC  Polygonum  EAST KHASI HILLS ` U&3  1497740 /X    Pt y MEGHALAYA  j,q 1949-05-18 polygnaceae yb u  Caryophyllales u|_ D   H  r plebeium POLYGONUM PLEBEIUM  q4c      R. Br. vI  river sand R`t4E   #e Barapani    :*&%+ india 
{"catalogNumber": "1497740", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Polygonum plebeium", "scientificNameAuthorship": "R. Br.", "genus": "Polygonum", "subgenus": "", "specificEpithet": "plebeium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thakur Rup Chand", "recordNumber": "1552", "verbatimEventDate": "1949-05-18", "habitat": "River sand", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Meghalaya", "county": "East Khasi Hills", "municipality": "", "locality": "Barapani", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "914", "maximumElevationInMeters": ""}