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": ""}
 CALHOUN nc Em   1276 G   united states x      _ POALES  L!; weedy opening in rr ballast     on s. side of tracks on e. sioe of us-27 ca. 12 mi. s. of b.l.-94 in the city of marsh4ll. marshall twp. t2s, r6w, sec.29 sw1/4 #R@  Eragrostis cilianen5is u/    POACEAE kLA  (all.) vignolo ex janch.        
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Eragrostis cilianensis", "scientificNameAuthorship": "(All.) Vignolo ex Janch.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "1276", "verbatimEventDate": "", "habitat": "Weedy opening in RR ballast", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Calhoun", "municipality": "", "locality": "on S. side of tracks on E. side of US-27 ca. 1/2 mi. S. of B.L.-94 in the city of Marshall. Marshall Twp. T2S, R6W, Sec.29 SW1/4", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}