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": ""}
 muehlenbergii Ca   CAREX MUEHLENBERGII VAR. MUEHLENBERGII W_#6f        + W 41Â° 19' 1.1" N 88Â° 53' 8.6" W; TRS: T33N R2E sec 21 approximate center  am 35266      UNITED ST4TES :BrM  cyperaceae h  2003-06-20 [e* l        DKa  Steven R. Hill  
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "Carex muehlenbergii var. muehlenbergii", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "muehlenbergii", "identifiedBy": "", "recordedBy": "Steven R. Hill", "recordNumber": "35266", "verbatimEventDate": "2003-06-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "41\u00c2\u00b0 19' 1.1\" N 88\u00c2\u00b0 53' 8.6\" W; TRS: T33N R2E sec 21 approximate center", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}