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 xj   h utah   $_ Carex nigricans  ROe Cnigricans  ^8 1380393   se slope, mt. emmons. q`WN        duchesne i%b     vZug FREDERICK J. HERMANN poales t>   4949 U0J?Z    O( KIT. 3444  I   1933-07-18   
{"catalogNumber": "1380393", "order": "Poales", "family": "", "scientificName": "Carex nigricans", "scientificNameAuthorship": "Kit.", "genus": "Carex", "subgenus": "", "specificEpithet": "nigricans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Frederick J. Hermann", "recordNumber": "4949", "verbatimEventDate": "1933-07-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Utah", "county": "Duchesne", "municipality": "", "locality": "SE slope, Mt. Emmons.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "3444", "maximumElevationInMeters": ""}