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": ""}
      MICHAEL J. OLDHAM u>2r        2[Y  MAJOR  ?q~% -80.25275  Ontario 2 B_D     SfzO  mudflat    vs. GUELPH TWP., GUELPH LAKE CONSERVATION AREA, CA. 7.5KM N OF GUELPH POST OFFICE     
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "major", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Michael J. Oldham", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "mudflat", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Guelph Twp., Guelph Lake Conservation Area, ca. 7.5km N of Guelph Post Office", "decimalLatitude": "", "decimalLongitude": "-80.25275", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}