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": ""}
carex hmvI  CAREX NIGRICANS j   336<6 zxK  COLORADO M`4<  ira w. clokey ./   Ix7  CYPERACEAE   P.:x$ nigricans  pw chaffee   wY yT Manassas Creek.  1380456 !   +4F^T 3353  Y 1919-07-24   / poales     GUM kit.      `n United States
{"catalogNumber": "1380456", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex nigricans", "scientificNameAuthorship": "Kit.", "genus": "Carex", "subgenus": "", "specificEpithet": "nigricans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Ira W. Clokey", "recordNumber": "3366", "verbatimEventDate": "1919-07-24", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Colorado", "county": "Chaffee", "municipality": "", "locality": "Manassas Creek.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "3353", "maximumElevationInMeters": ""}