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": ""}
12771 t   Poaceae `:w`;    A: 1944-08-10          Poales Ly` /     < 63Â°45'N, 138Â°43'W     F_1  south sioe of tanana river valley, miG. 1380-1384   Z UW pratensis    gl| yukon-koyukuk
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "pratensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "12771", "verbatimEventDate": "1944-08-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Yukon-Koyukuk", "municipality": "", "locality": "South side of Tanana River valley, mi. 1380-1384", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "63\u00c2\u00b045'N, 138\u00c2\u00b043'W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}