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": ""}
 ROBERT W. SMITH O  michigan f D0G   z Asteraceae   1354 H^&dL  var. </  41.94326 $ n@E    & xanth^ium    v 1985-09-04  L XANTHIUM STRUMARIUM VAR. CANADENSE     ^[ (P. MILL.) TOAR. & A. GRAY  1 STRUMARIUM    ][Jj+ lenawee  1258349 6S A    wc5 raisin twp.; s. bank of r. raisin by raisin center hwy. brdge  CANADENSE y 
{"catalogNumber": "1258349", "order": "", "family": "Asteraceae", "scientificName": "Xanthium strumarium var. canadense", "scientificNameAuthorship": "(P. Mill.) Torr. & A. Gray", "genus": "Xanthium", "subgenus": "", "specificEpithet": "strumarium", "verbatimTaxonRank": "var.", "infraspecificEpithet": "canadense", "identifiedBy": "", "recordedBy": "Robert W. Smith", "recordNumber": "1354", "verbatimEventDate": "1985-09-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Lenawee", "municipality": "", "locality": "Raisin Twp.; s. bank of R. Raisin by Raisin Center Hwy. bridge", "decimalLatitude": "41.94326", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}