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": ""}
 to2? s.n. United States  ^*Rk   Wi washtenaw  george d. sones Cr   cyperaceae n|Z     wB w. d. j. koch ex roth   poales K<V v   wH1 A.A. [ANN ARBOR].  Cm3 1330957     @^o] EAIOPHORUM GRACILE    el 1891-05-30  Eriophorum x]l j   ; MICHIGAN gracile _    
{"catalogNumber": "1330957", "order": "Poales", "family": "Cyperaceae", "scientificName": "Eriophorum gracile", "scientificNameAuthorship": "W. D. J. Koch ex Roth", "genus": "Eriophorum", "subgenus": "", "specificEpithet": "gracile", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George D. Sones", "recordNumber": "s.n.", "verbatimEventDate": "1891-05-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "A.A. [Ann Arbor].", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}