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": ""}
 ^ CROTON JOUFRA     % THAKUR RUP CHAND    1955-04-18 fw   ri-bhoi E.L    y R EUPHORBIACEAE Croton P+     n joufra     Malpighiales F     JMyiT Umran, Khasi Hills, 2000 ft.    
{"catalogNumber": "", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Croton joufra", "scientificNameAuthorship": "", "genus": "Croton", "subgenus": "", "specificEpithet": "joufra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thakur Rup Chand", "recordNumber": "", "verbatimEventDate": "1955-04-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Ri-Bhoi", "municipality": "", "locality": "Umran, Khasi Hills, 2000 ft.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}