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": ""}
1974-07-27 Lk`jr    :BW Agropyron subsecundum      @  , (LINK) A.S. HITCHC.  Simcoe nWK  1284788 X&W8  Po4ceae mbsj~   DRY SAND ALONG RAIL LINE, CLOSE TO SHORELINE. OG68C    4317 Fs,PO  POALES 310     0  Ontario  1 CANADA  Agropyron ?   ANTON A. REZNICEK 1(`     2$T SUBSECUNDUM 
{"catalogNumber": "1284788", "order": "Poales", "family": "Poaceae", "scientificName": "Agropyron subsecundum", "scientificNameAuthorship": "(Link) A.S. Hitchc.", "genus": "Agropyron", "subgenus": "", "specificEpithet": "subsecundum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "4317", "verbatimEventDate": "1974-07-27", "habitat": "Dry sand along rail line, close to shoreline.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Simcoe", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}