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": ""}
1247447 ld I   .P arvense  53 =8   Edward G. Voss Tw      CIRSIUM ARVENSE !Le6     -   asterales    Gy united states  Ol farm field (soybeans and corn). v>=      UYU]^ (l.) scop.      NDd? Nicole Vining 
{"catalogNumber": "1247447", "order": "Asterales", "family": "", "scientificName": "Cirsium arvense", "scientificNameAuthorship": "(L.) Scop.", "genus": "", "subgenus": "", "specificEpithet": "arvense", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "Nicole Vining", "recordNumber": "53", "verbatimEventDate": "", "habitat": "Old farm field (soybeans and corn).", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}