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": ""}
   y agrostis      POALES  54â° 28' n 84â° 50' w /A9A&     %]= ONTARIO trin. p5    ANTON AO. REZNICEK ;Zr7  1979-07-23 pR*T   R. A. Sims  KrP    ga AGROSTIS MERTEMSII 54.466667 o* |   %W<+ -84.833333     1403773 K/@   
{"catalogNumber": "1403773", "order": "Poales", "family": "", "scientificName": "Agrostis mertensii", "scientificNameAuthorship": "Trin.", "genus": "Agrostis", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "R. A. Sims", "recordNumber": "", "verbatimEventDate": "1979-07-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "", "decimalLatitude": "54.466667", "decimalLongitude": "-84.833333", "verbatimCoordinates": "54\u00c2\u00b0 28' N 84\u00c2\u00b0 50' W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}