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": ""}
var. (Ew    Ja 1258349  ~2 canadense            Raisin Twp.; s. bank of R. Rai5in by Raisin Center Hwy. bridge p    E (p. mill.) to rr. & a. gray  %r robert w. smith   O(&L strumarium    5ug LENAWEE    vnited states 0PU 
{"catalogNumber": "1258349", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "(P. Mill.) Torr. & A. Gray", "genus": "", "subgenus": "", "specificEpithet": "strumarium", "verbatimTaxonRank": "var.", "infraspecificEpithet": "canadense", "identifiedBy": "", "recordedBy": "Robert W. Smith", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Lenawee", "municipality": "", "locality": "Raisin Twp.; s. bank of R. Raisin by Raisin Center Hwy. bridge", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}