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": ""}
Canada  Jv%b       2dg Panicum  DE  PANICUM COLUMBIANUM   LdV poales      |,y DY SANDY ROADSIDE.  g R.S.W. BOBBETTE     X/  1968-07-06   0@`% columbianum  ontario  ;S ?    R 1284863 poaceae V#VRU    2 simcoe  221 ,z 
{"catalogNumber": "1284863", "order": "Poales", "family": "Poaceae", "scientificName": "Panicum columbianum", "scientificNameAuthorship": "", "genus": "Panicum", "subgenus": "", "specificEpithet": "columbianum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R.S.W. Bobbette", "recordNumber": "221", "verbatimEventDate": "1968-07-06", "habitat": "Dry sandy roadside.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Simcoe", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}