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": ""}
  y united states  #20; VAR. leslie j. mehrhoff O;y x   CAREX l&.)W  MUEHLENBERGII b!9b    z3 muehlenbergii  Be8S CAREX MUEHLENBERGII VAR. MUEHLENBE RGII  windham 7LU+   SCOTLAND, SOUTH SIDE OF WALDO ROATD MEAR ABANDONED RAILROAD RIGHT-OF-WAY. ! Jv  1997-06-04  _3K       L~ poales Cyperaceae @    4bT- 19318   1379823 Os.b`   ~ connecticut
{"catalogNumber": "1379823", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex muehlenbergii var. muehlenbergii", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "muehlenbergii", "verbatimTaxonRank": "var.", "infraspecificEpithet": "muehlenbergii", "identifiedBy": "", "recordedBy": "Leslie J. Mehrhoff", "recordNumber": "19318", "verbatimEventDate": "1997-06-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Connecticut", "county": "Windham", "municipality": "", "locality": "Scotland, south side of Waldo Road near abandoned railroad right-of-way.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}