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": ""}
    R. K. Janaki .793   Oa  tragia        .B% INVOLUCRATA  - Chingleput, Vaudalur  IFkH INDIA  H-X_ 345  1928-03 >     .c2 l. euphorbiaceae 4       / 1645884 
{"catalogNumber": "1645884", "order": "", "family": "Euphorbiaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Tragia", "subgenus": "", "specificEpithet": "involucrata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. K. Janaki", "recordNumber": "345", "verbatimEventDate": "1928-03", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "", "county": "", "municipality": "", "locality": "Chingleput, Vaudalur", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}