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": ""}
  M/r 1990-09-19     B-o canada acalypha Kt      4T<H Ontario   ^^ 11963     Uz M. J. Oldham Geoffrey A. Levin F x4   1666275 &-  EUPHORBIACEAE -  Aldborough Township, 1.8 km SSE of Eagle, 7.1km SEof Wet Lorne Post Office, 'Lily Field' ESA, UTM 547112, MAP 401/12 Square 17MT51 YUy   xArj recently bulldozed dry, open sandy area above lake erie bluff    
{"catalogNumber": "1666275", "order": "", "family": "Euphorbiaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Acalypha", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Geoffrey A. Levin", "recordedBy": "M. J. Oldham", "recordNumber": "11963", "verbatimEventDate": "1990-09-19", "habitat": "recently bulldozed dry, open sandy area above Lake Erie bluff", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Aldborough Township, 1.8 km SSE of Eagle, 7.1km SE of West Lorne Post Office, 'Lily Field' ESA, UTM 547112, MAP 401/12 Square 17MT51", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}