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": ""}
 n Emmet      [P Asteraceae    v.L $ 1249845   1954-07-19 HU   r canadensis   S: EDWARD G. VOSS       J! 45.50033   ca. 3/4 of way down to lake michigan, ca. 4 mi. s of good hart (sec. 24, t36n, r7w, friendship tp.). u  (greene) r. j. bayer tS>  ANTENNARIA HOWELLII SUBSP. GANADENSIS c   [1@m united states
{"catalogNumber": "1249845", "order": "", "family": "Asteraceae", "scientificName": "Antennaria howellii subsp. canadensis", "scientificNameAuthorship": "(Greene) R. J. Bayer", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "canadensis", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "", "verbatimEventDate": "1954-07-19", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Emmet", "municipality": "", "locality": "ca. 3/4 of way down to Lake Michigan, ca. 4 mi. S of Good Hart (sec. 24, T36N, R7W, Friendship Tp.).", "decimalLatitude": "45.50033", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}