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": ""}
    jW.  johnson    Carex N   2 WYOMING  b canescens  u burrell e. nelson  V &# 1980-08-17  fv 44.1892  bA trs: t49n r85w sec 30   -107.1325 l%2*U    W!z@! 7216 Carex canescens ~t   oZy L. poales V   # 2865    MB_ Cyperaceae  
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex canescens", "scientificNameAuthorship": "L.", "genus": "Carex", "subgenus": "", "specificEpithet": "canescens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Burrell E. Nelson", "recordNumber": "7216", "verbatimEventDate": "1980-08-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Wyoming", "county": "Johnson", "municipality": "", "locality": "", "decimalLatitude": "44.1892", "decimalLongitude": "-107.1325", "verbatimCoordinates": "TRS: T49N R85W sec 30", "minimumElevationInMeters": "2865", "maximumElevationInMeters": ""}