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": ""}
    CaDrex laxiflora Z1I  Ontario ?mD[    =?T 1990-05-15        michael j. oldhm & dave mcleod OlS d   Q McGillivray, 6.3 km NE of Parkhill Pst Office.  `cyperaceae ]w     10743 +   Canada R1%)   l< Lam.  wh UTM 476847, MAP 40P/4, SQUARE 17MT48
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "Carex laxiflora", "scientificNameAuthorship": "Lam.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michael J. Oldham & Dave McLeod", "recordNumber": "10743", "verbatimEventDate": "1990-05-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "McGillivray, 6.3 km NE of Parkhill Post Office.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "UTM 476847, Map 40P/4, Square 17MT48", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}