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": ""}
  Y 1973-07-03  carex 7C   TONS4   OWM   KJ:i south side ofgrand sable dunes.   X -86.048933      gR2 Alger  *so c ROBERT H. READ      Carex tonsa ]h   cyperace4e Tr     46.644478 sUA   bjo, Michigan
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "Carex tonsa", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "tonsa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert H. Read", "recordNumber": "", "verbatimEventDate": "1973-07-03", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Alger", "municipality": "", "locality": "South side of Grand Sable Dunes.", "decimalLatitude": "46.644478", "decimalLongitude": "-86.048933", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}