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": ""}
    B 12000 OPEN MARSH DOMINATED BY CAREX UTRICULATA. bDsm   & ANTON A. REZNICEK  washtenaw &U%  -84.0991944 Yz80!     ], Hx cyperaceae (L.) Kunth  #;f<  MICHIGAN Qe+?k       Rt L 1050866  Poales   f   w$_ CYPERINUS   Yr6 United States   Scirpus Pf+h   R2 e side of cassidly lake rd, ca. 1 km e of jct. with roe rd., ca. 8.6 km nw of chelse4.
{"catalogNumber": "1050866", "order": "Poales", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "(L.) Kunth", "genus": "Scirpus", "subgenus": "", "specificEpithet": "cyperinus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "12000", "verbatimEventDate": "", "habitat": "Open marsh dominated by Carex utriculata.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "E side of Cassidly Lake Rd, ca. 1 km E of jct. with Roe Rd., ca. 8.6 km NW of Chelsea.", "decimalLatitude": "", "decimalLongitude": "-84.0991944", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}