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": ""}
   u+  3 ontario   wF_e Canada   !L! Amaranthaceae     6Q^ caryophyllales CONTACT UM HERBARIUM R mD   Sn(_n 2003-166      CHENOPODIUM     M>R pratericola 1452267 R   O!Hm Chenopodium pratericola  3- Rydb.    fB7V michael j. oldham  
{"catalogNumber": "1452267", "order": "Caryophyllales", "family": "Amaranthaceae", "scientificName": "Chenopodium pratericola", "scientificNameAuthorship": "Rydb.", "genus": "Chenopodium", "subgenus": "", "specificEpithet": "pratericola", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michael J. Oldham", "recordNumber": "2003-166", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}