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": ""}
    i 1939-09-04 1394518 J b       UNITED STATES 4xbvG    MADISON j  L. -    M CYPERUS   .tN HA. GLEASON, JR., C.H. GRIFFITTS, JR. 256 K]tf    2 miles se of berea. ,W^@(  Cyperus strigosus +  Cyperaceae V ^Q    
{"catalogNumber": "1394518", "order": "", "family": "Cyperaceae", "scientificName": "Cyperus strigosus", "scientificNameAuthorship": "L.", "genus": "Cyperus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H.A. Gleason, Jr., C.H. Griffitts, Jr.", "recordNumber": "256", "verbatimEventDate": "1939-09-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Madison", "municipality": "", "locality": "2 miles SE of Berea.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}