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": ""}
    -83.944942 Xeq   PD (L.) Al-Shehbaz     1$-:& Tecumseh.   DA 1358480 7975 TK|     Vr| Brassicales Brassicaceae    canadensis 1J M   + boechera canadensis MICHIGAN -   U3 1927-06-21  &K 2t United States   k[ 42.003933    [am. midl. nat. 11:57] th    l: oliver a. farwell
{"catalogNumber": "1358480", "order": "Brassicales", "family": "Brassicaceae", "scientificName": "Boechera canadensis", "scientificNameAuthorship": "(L.) Al-Shehbaz", "genus": "", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Oliver A. Farwell", "recordNumber": "7975", "verbatimEventDate": "1927-06-21", "habitat": "", "occurrenceRemarks": "[Am. Midl. Nat. 11:57]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Tecumseh.", "decimalLatitude": "42.003933", "decimalLongitude": "-83.944942", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}