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": ""}
    flexle q T    w[Vu 1992-09-7 POACEAE 06yO   1418866 $P    panicum X$w?;   M. J. 0LDHAM & J. M. BOWLES   ]     Poales ]d<   peV & ontario mosa township, sydenham river, vicinity of abandoned rr embankment, 5.7 km sse of arkon po g    _ MIDDLESEX  Canada OzVcW   `  14416  U _?` (gattinger) scribn.  2n 4O panicum flexile 
{"catalogNumber": "1418866", "order": "Poales", "family": "Poaceae", "scientificName": "Panicum flexile", "scientificNameAuthorship": "(Gattinger) Scribn.", "genus": "Panicum", "subgenus": "", "specificEpithet": "flexile", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "M. J. Oldham & J. M. Bowles", "recordNumber": "14416", "verbatimEventDate": "1992-09-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Middlesex", "municipality": "", "locality": "Mosa Township, Sydenham River, vicinity of abandoned RR embankment, 5.7 km SSE of Arkon PO", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}