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": ""}
27943  0     kj=  Andropogon virginicus    1404990 fP4  17 R+     peter h. raven & tamra e. raven pSf%        ANDROPOGON @Ad=   :< jefferson virgimicus i     1991-09-14 .9)   +L Em poales 
{"catalogNumber": "1404990", "order": "Poales", "family": "", "scientificName": "Andropogon virginicus", "scientificNameAuthorship": "", "genus": "Andropogon", "subgenus": "", "specificEpithet": "virginicus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Peter H. Raven & Tamra E. Raven", "recordNumber": "27943", "verbatimEventDate": "1991-09-14", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Jefferson", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "170", "maximumElevationInMeters": ""}