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": ""}
1949-11-14 z o   )aI xyridaceae    xyris 4  Poales ;H    !v_ Thakur Rup Chand  ?sw indica      j rice field     Z 2476  Palasbari zT    KAMRUP S   assam u   QbNM 1489839 xyris indica e+ ! 
{"catalogNumber": "1489839", "order": "Poales", "family": "Xyridaceae", "scientificName": "Xyris indica", "scientificNameAuthorship": "", "genus": "Xyris", "subgenus": "", "specificEpithet": "indica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thakur Rup Chand", "recordNumber": "2476", "verbatimEventDate": "1949-11-14", "habitat": "Rice field", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Assam", "county": "Kamrup", "municipality": "", "locality": "Palasbari", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}