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": ""}
   >Sx: CANADA   S.N. I2]s    1452286 +     MICROPHYLLUM $S xc      O^9q nasturtium microphyllum   Contact UM Herbarium 4v3   NASTURTIUM 6pXc     _X/W Boenn. ex Rchb. brassicales E,yDe   !gJ*~ bra5sicaceae 
{"catalogNumber": "1452286", "order": "Brassicales", "family": "Brassicaceae", "scientificName": "Nasturtium microphyllum", "scientificNameAuthorship": "Boenn. ex Rchb.", "genus": "Nasturtium", "subgenus": "", "specificEpithet": "microphyllum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}