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": ""}
 F 1950-08-07   @Z canadensis Portage Ship Canal northwest of Hancock. Z   raxt 47.171473  lo/ lam|ales  v Houghton  charles d. richards Bu     L. 4017 *     G& moist bank.  G= 1226949  UNITED STATES =W$/)    lhZ mentha canadensis LAMIACEAE ;vM   b|. mentha   m!#=2 MICHIGAN     cO8~* -88.626961
{"catalogNumber": "1226949", "order": "Lamiales", "family": "Lamiaceae", "scientificName": "Mentha canadensis", "scientificNameAuthorship": "L.", "genus": "Mentha", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles D. Richards", "recordNumber": "4017", "verbatimEventDate": "1950-08-07", "habitat": "Moist bank.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Houghton", "municipality": "", "locality": "Portage Ship Canal northwest of Hancock.", "decimalLatitude": "47.171473", "decimalLongitude": "-88.626961", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}