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 QI   |Yu  Cyperus     Virginia 0@       RU-tF FLAVESCENS  4c M.T. STRONG    w:%ZJ poales L. m  fairfa x Ib  N side of Cameron Run, just N and 1-2 km S o f Metro Rail bridge, southwest Alexandr&ia. !zF([     2944 bjq`   
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Cyperus flavescens", "scientificNameAuthorship": "L.", "genus": "Cyperus", "subgenus": "", "specificEpithet": "flavescens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "M.T. Strong", "recordNumber": "2944", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Virginia", "county": "Fairfax", "municipality": "", "locality": "N side of Cameron Run, just N and 1-2 km S of Metro Rail bridge, southwest Alexandria.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}