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": ""}
 tu nw corner, ca. 2 mi. w of atwood   U(NE5 POACEAE      T Antrim     calamovilfa longifolia var. magna Y7  magna CjS t   calamovilfa /v  12576 Wvk    :$U beach of Lake Michigan  D8lp scribn. & merr.  s(nas var.  ~ MICHIGAN   17XI 1951-08-14  Q  UNITED STATES Poales    x .H longifolia
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Calamovilfa longifolia var. magna", "scientificNameAuthorship": "Scribn. & Merr.", "genus": "Calamovilfa", "subgenus": "", "specificEpithet": "longifolia", "verbatimTaxonRank": "var.", "infraspecificEpithet": "magna", "identifiedBy": "", "recordedBy": "", "recordNumber": "12576", "verbatimEventDate": "1951-08-14", "habitat": "beach of Lake Michigan", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Antrim", "municipality": "", "locality": "NW corner, ca. 2 mi. w of Atwood", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}