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": ""}
carex annectens var. aAnnectens @8R      ~hs] CAREX    JTU` KENT   var. xL   Q_ annectens  maryland mw]5[  annectens ]O      O[ S -75.784361  7529 %Z     U WAYNE D. LONG8TTOM cyperaceae 2k    39Â° 16' 50.7" N 75Â° 47' 03.7" W Ny 
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "Carex annectens var. annectens", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "annectens", "verbatimTaxonRank": "var.", "infraspecificEpithet": "annectens", "identifiedBy": "", "recordedBy": "Wayne D. Longbottom", "recordNumber": "7529", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Maryland", "county": "Kent", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-75.784361", "verbatimCoordinates": "39\u00c2\u00b0 16' 50.7\" N 75\u00c2\u00b0 47' 03.7\" W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}