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": ""}
  L$pM hortensis    about 1 km below (s of) hwy 360 bridge over roanoke (staunton) river and 5 m ese of clover. ]V  Charlotte  )L%_  Cyperus hortensis ,w1    sS& (SALZM. EX STEUD.) DORR   $r United States poales MnT     1396998 A     Cyperaceae +8/       QD50 9878 1997-10-10   
{"catalogNumber": "1396998", "order": "Poales", "family": "Cyperaceae", "scientificName": "Cyperus hortensis", "scientificNameAuthorship": "(Salzm. ex Steud.) Dorr", "genus": "", "subgenus": "", "specificEpithet": "hortensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "9878", "verbatimEventDate": "1997-10-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Charlotte", "municipality": "", "locality": "About 1 km below (S of) Hwy 360 bridge over Roanoke (Staunton) River and 5 km ESE of Clover.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}