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": ""}
    bT 7 SIMCOE    (l.) trin. e    k+v| MEXICANA 1284443 4ssW   Conc. III Lot 32, Essa Twp. | .5 mile N of Angus. o`b       (C?<S Ontario  1973-O8-31 0TV     POALES ^    muhlenbergia mexicana u  Moist clayey banks of Nottawasaga river. W Q 
{"catalogNumber": "1284443", "order": "Poales", "family": "", "scientificName": "Muhlenbergia mexicana", "scientificNameAuthorship": "(L.) Trin.", "genus": "", "subgenus": "", "specificEpithet": "mexicana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1973-08-31", "habitat": "Moist clayey banks of Nottawasaga river.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Ontario", "county": "Simcoe", "municipality": "", "locality": "Conc. III Lot 32, Essa Twp. | .5 mile N of Angus.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}