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": ""}
   Assiniboia +G +    Gco richardsonii   canada g   .b53 J. MACOUN  I HMENOXYS RICHARDSONII VAR. RICHARDSONII  10950 &X5  (HOOK.) COCKERELL  G2  1895-06-06 !~j    v:((( 1107474  $lw+ Manitoba     no data pwb~d     
{"catalogNumber": "1107474", "order": "", "family": "", "scientificName": "Hymenoxys richardsonii var. richardsonii", "scientificNameAuthorship": "(Hook.) Cockerell", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "richardsonii", "identifiedBy": "", "recordedBy": "J. Macoun", "recordNumber": "10950", "verbatimEventDate": "1895-06-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Manitoba", "county": "no data", "municipality": "", "locality": "Assiniboia", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}