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": ""}
     /t x CAREX RETROFLEXA        fDA Gosfield S Twp, Front Conc, lots 25-27, 7 km WSW of Kingsville, E of County Rd 23, S of Hwy 18, along Cedar Creek.   (qG_ ESSEX       U retroflexa Cyperaceae Z)       a[N6 carex 7172 P9     
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "Carex retroflexa", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "retroflexa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "7172", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Essex", "municipality": "", "locality": "Gosfield S Twp, Front Conc, lots 25-27, 7 km WSW of Kingsville, E of County Rd 23, S of Hwy 18, along Cedar Creek.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}