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": ""}
    5rJ- CYPERACEAE  Ce  CYPERUS   h. CYPERUS HORTENSIS   8 Poales  )@ HORTEN5IS  39â°11'29"n, 75â°38'50"w     DELAWARE V(s4   F`t)F 1566997   (Salzm. ex Steud.) Dorr ?0hn    2009-08-29 We>I~     < United States   
{"catalogNumber": "1566997", "order": "Poales", "family": "Cyperaceae", "scientificName": "Cyperus hortensis", "scientificNameAuthorship": "(Salzm. ex Steud.) Dorr", "genus": "Cyperus", "subgenus": "", "specificEpithet": "hortensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "2009-08-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Delaware", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "39\u00c2\u00b011'29\"N, 75\u00c2\u00b038'50\"W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}