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": ""}
 Niagara 7    -;P Canada  &aEZ ARISTIDA OLIGANTHA 1976-10-23 rI-j/   s.n. B    | ontario      &%PO, railway yards-n side. s of jarvis st.,  ca. 0.5 mi. w of fort erie north.  1|` -78.933333 poaceae Lnb&   Dry, open disturbed rail area | Cinder and gravel ( .C  paul m. catling MRg   oligantha gm/     fd7 ARISTIDA  [2 42.933333  
{"catalogNumber": "", "order": "", "family": "Poaceae", "scientificName": "Aristida oligantha", "scientificNameAuthorship": "", "genus": "Aristida", "subgenus": "", "specificEpithet": "oligantha", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Paul M. Catling", "recordNumber": "s.n.", "verbatimEventDate": "1976-10-23", "habitat": "Dry, open disturbed rail area | Cinder and gravel", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Niagara", "municipality": "", "locality": "Railway yards-N side. S of Jarvis St., ca. 0.5 mi. W of Fort Erie North.", "decimalLatitude": "42.933333", "decimalLongitude": "-78.933333", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}