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": ""}
united states   .x   LOUIS H. JORDAL & HARVEY A. MILLER .O|C&   i  Carex 1380404 u        Tg^Q POALES     =qdI` nigricans  BJc 1949-09-15    kit. : Jf<  cyperaceae f     alaska |^   _XL 3274  , carex nigicans Aleutian Islands, Mount Moffett, southeastern slopes, Adak Island. Hm@  
{"catalogNumber": "1380404", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex nigricans", "scientificNameAuthorship": "Kit.", "genus": "Carex", "subgenus": "", "specificEpithet": "nigricans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Louis H. Jordal & Harvey A. Miller", "recordNumber": "3274", "verbatimEventDate": "1949-09-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Alaska", "county": "", "municipality": "", "locality": "Aleutian Islands, Mount Moffett, southeastern slopes, Adak Island.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}