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": ""}
   1971-09-18  DYb0  DRY ROCKY WOODS IN OPENING. aqr#        ] POACEAE   Simcoe 3~;K+    += o pauciflorum     agropyron Y     175  anton a. rTeznicek (qs  Poales rP   mf= 1284777  |R_d? (SCHWEIN.) A.S. HITCHC. ontario DA!W 
{"catalogNumber": "1284777", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "(Schwein.) A.S. Hitchc.", "genus": "Agropyron", "subgenus": "", "specificEpithet": "pauciflorum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "175", "verbatimEventDate": "1971-09-18", "habitat": "Dry rocky woods in opening.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Ontario", "county": "Simcoe", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}