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": ""}
  s.n. ?  chares k. dodge zF) #     7;uWC st. clair  , "plentiful"  oX wet open ground.   OBTUSA =   1330516 8r     ) 42.99284  uv2S+ (WILLD.) SCHULT.  DA Near Port Huron.  P= eleoch4ris  sMl;P Cyperaceae   P w3D united states  DL  Poales  P  1899-07-16 Henry K. Svenson =XFh0  ELEOCHARIS OBTUSA K 
{"catalogNumber": "1330516", "order": "Poales", "family": "Cyperaceae", "scientificName": "Eleocharis obtusa", "scientificNameAuthorship": "(Willd.) Schult.", "genus": "Eleocharis", "subgenus": "", "specificEpithet": "obtusa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Henry K. Svenson", "recordedBy": "Charles K. Dodge", "recordNumber": "s.n.", "verbatimEventDate": "1899-07-16", "habitat": "Wet open ground.", "occurrenceRemarks": "\"Plentiful\"", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "St. Clair", "municipality": "", "locality": "Near Port Huron.", "decimalLatitude": "42.99284", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}