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": ""}
 Rg : Cyperaceae      f M canada 19014 r   CLAUDE E. GARTON oeiim  1979-07-28  29@   P?EI: atrovirens    %V scirpus IN SILTY CLAY OF RIVER BANK. VERY PLENTIFL n4  L. BANK OF PIGEON R. JUST BELOW HIGH FALLS, STUART LOCATION JUST ABOVE CUSTOMS BLDG. ON . 61  v]N   9z$ POALES   f4nj Scirpus atrovirens WILLD. o      ! THUNDER BAY  ontario t   1_ 1401934 
{"catalogNumber": "1401934", "order": "Poales", "family": "Cyperaceae", "scientificName": "Scirpus atrovirens", "scientificNameAuthorship": "Willd.", "genus": "Scirpus", "subgenus": "", "specificEpithet": "atrovirens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Claude E. Garton", "recordNumber": "19014", "verbatimEventDate": "1979-07-28", "habitat": "In silty clay of river bank. Very plentiful", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Thunder Bay", "municipality": "", "locality": "L. bank of Pigeon R. just below High Falls, Stuart Location just above Customs Bldg. on H. 61", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}