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": ""}
CANADENSIS ~s   1249853 h]<w  280 [(JEV  at cliff mine. #    Z#S~~ -88.313057  W Asteraceae UNITED STATES  B*   7Ur d grassy hillside    W]D Antennaria howellii subsp. canadensis      E$  ANTKENNARIA  +~6y keweenaw 1950-06-09      h,3 michigan  SUBSP. Q(so      
{"catalogNumber": "1249853", "order": "", "family": "Asteraceae", "scientificName": "Antennaria howellii subsp. canadensis", "scientificNameAuthorship": "", "genus": "Antennaria", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "canadensis", "identifiedBy": "", "recordedBy": "", "recordNumber": "2980", "verbatimEventDate": "1950-06-09", "habitat": "Grassy hillside", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Keweenaw", "municipality": "", "locality": "At Cliff Mine.", "decimalLatitude": "", "decimalLongitude": "-88.313057", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}