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": ""}
   t% poaceae   1896-0815 8a<y    RACEMOSUS ^ =  ONTARIO >4C4    VF CHARLES F. WHEELER   k Poales   1407881 J  L. SNg    s.n. V2 ,    ( canada  sY+z@ contact um herbarium lambton  7   mOj Bromus racemosus Bromus   CP   
{"catalogNumber": "1407881", "order": "Poales", "family": "Poaceae", "scientificName": "Bromus racemosus", "scientificNameAuthorship": "L.", "genus": "Bromus", "subgenus": "", "specificEpithet": "racemosus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles F. Wheeler", "recordNumber": "s.n.", "verbatimEventDate": "1896-08-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Lambton", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}