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. yKPnp   x G 1902-05-23   aC c_ommuni5   ; KENNEBEC  Plantae exsiccatae Grayanae [Anonymous, Pl. Exs. Grayan.], 1 - 1500 or more, Anonymous, exs #: 87  yuP1  united s7ates &_j    COMMUNIS X<Vs   q maine edward b. chamberlain x=      CAREX COMMUNIS VAR. COMMUNIS *4R   VASSALBORO.  GU     
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Carex communis var. communis", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "communis", "verbatimTaxonRank": "", "infraspecificEpithet": "communis", "identifiedBy": "", "recordedBy": "Edward B. Chamberlain", "recordNumber": "s.n.", "verbatimEventDate": "1902-05-23", "habitat": "", "occurrenceRemarks": "Plantae exsiccatae Grayanae [Anonymous, Pl. Exs. Grayan.], 1 - 1500 or more, Anonymous, exs #: 87", "associatedTaxa": "", "country": "United States", "stateProvince": "Maine", "county": "Kennebec", "municipality": "", "locality": "Vassalboro.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}