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": ""}
 CYPERUS FLAVESCENS  HF7(    %13nf 1241    1994-09-03 F!  Shoreline of the Rappahannock River opposit Moss Neck, 1 mi N of Garretts Store, and ca 12 mki E of Fredericksburg. o7K,E  Cyperus  UD   w#e CYPERACEAE united states $JWMW    MARK T. STRONG, C.L. KELLOFF ~lX  139472 U8hRc  VIRGINIA Y0   , flavescens         
{"catalogNumber": "1393472", "order": "", "family": "Cyperaceae", "scientificName": "Cyperus flavescens", "scientificNameAuthorship": "", "genus": "Cyperus", "subgenus": "", "specificEpithet": "flavescens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Mark T. Strong, C.L. Kelloff", "recordNumber": "1241", "verbatimEventDate": "1994-09-03", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Virginia", "county": "", "municipality": "", "locality": "Shoreline of the Rappahannock River opposite Moss Neck, 1 mi N of Garretts Store, and ca 12 mi E of Fredericksburg.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}