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": ""}
L. uR    tQsb1 Ontario simcoe !Z0S  CONVA8LLARIA ][    asparagales XB3oS       *^E 1972-08-29  V GANADA   >^ MAJALI S  Convallaria mRajalis kl3;  ANTONA. REZNICEK L&[?  j n asparagaceae    2972       F 1285931  
{"catalogNumber": "1285931", "order": "Asparagales", "family": "Asparagaceae", "scientificName": "Convallaria majalis", "scientificNameAuthorship": "L.", "genus": "Convallaria", "subgenus": "", "specificEpithet": "majalis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "2972", "verbatimEventDate": "1972-08-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Simcoe", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}