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 l  Dunwich Township, along Conrail & C & O railway, 0.7 km SW of Dutton Post Office. Dxu7m   Elgin  +.  atherodes V     -  Z ontario UTM 584229, MAP 40I/12, SQUARE 17MT52 |on      h* CAREX  XV 1362106   Carex atherodes 8$#8b   ^ canada      12639 49`t9   c-1 POALES  spreng. q   Ml 1991-05-29 cyperaceae O 
{"catalogNumber": "1362106", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex atherodes", "scientificNameAuthorship": "Spreng.", "genus": "Carex", "subgenus": "", "specificEpithet": "atherodes", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michael J. Oldham", "recordNumber": "12639", "verbatimEventDate": "1991-05-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Elgin", "municipality": "", "locality": "Dunwich Township, along Conrail & C & O railway, 0.7 km SW of Dutton Post Office.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "UTM 584229, Map 40I/12, Square 17MT52", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}