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": ""}
madison  a2    Un+ited States [  1907-06-23 $e    |G& Carex    Cyperaceae jRF8   charles c. deam      Poales KE  CAREX LEPTALEA SUBSP.. LEPTALEA L    QIEP1 indiana leptalea w  3j   ?eInF 1376465 leptalea Fo      v< subsp.  L ALONG WHITE RIVER ALONG OLD CANAL, ABOUT 1/8 MILE SOUTH OF UNION TRACTION LINE.   2066 =! f 
{"catalogNumber": "1376465", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex leptalea subsp. leptalea", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "leptalea", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "leptalea", "identifiedBy": "", "recordedBy": "Charles C. Deam", "recordNumber": "2066", "verbatimEventDate": "1907-06-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Indiana", "county": "Madison", "municipality": "", "locality": "Along White River along old canal, about 1/8 mile south of Union Traction Line.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}