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": ""}
 kvj INDI4        J/D east khasi hills  RN RUBUS in thicket x .2S   RUBUS RUGOSUS ~hLA   lzM 28236   1951-08-30 (7Y4!   C|>[6 rosaceae rugosus h*7zW     I(T MEGH4LAYA  i>x 1502643   walter n. koelz  se e   ROSALES |w_ 
{"catalogNumber": "1502643", "order": "Rosales", "family": "Rosaceae", "scientificName": "Rubus rugosus", "scientificNameAuthorship": "", "genus": "Rubus", "subgenus": "", "specificEpithet": "rugosus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "28236", "verbatimEventDate": "1951-08-30", "habitat": "In thicket", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Meghalaya", "county": "East Khasi Hills", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}