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": ""}
4760 ,,   n%,  Himachal Pradesh  Polygonaceae 9V`#/      1497746 x    Polygonum plebeium Q 8  plebeium hH_   1 walter n. koelz 1524  x]4   Q ,` kullu kulu, kangra, punjab ]   a8 polygonum   R. BR. ,%p    B$`D India    )6>gB Caryophyllales   , 1933-05-31
{"catalogNumber": "1497746", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Polygonum plebeium", "scientificNameAuthorship": "R. Br.", "genus": "Polygonum", "subgenus": "", "specificEpithet": "plebeium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "4760", "verbatimEventDate": "1933-05-31", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Himachal Pradesh", "county": "Kullu", "municipality": "", "locality": "Kulu, Kangra, Punjab", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1524", "maximumElevationInMeters": ""}