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": ""}
    7 Carex leavenworthii  4 POALES CHARLES T. BRYSON Zd  11407 `2     , CAREX TRS: T6S R12W S3C 25 NW/4 Zb2   5o3K 1992-04-24  cyperaceae F/B     DEWEY /9*  tunica y^  MISSISSIPPI +AY   I ga 11 mi s tunica, 7.3 mi s jct hwys us 61 & ms 4, w of us 61 & just s of oak lake. leavenworthii x  1375823 PAg     United States  iMxX 
{"catalogNumber": "1375823", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex leavenworthii", "scientificNameAuthorship": "Dewey", "genus": "Carex", "subgenus": "", "specificEpithet": "leavenworthii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles T. Bryson", "recordNumber": "11407", "verbatimEventDate": "1992-04-24", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Mississippi", "county": "Tunica", "municipality": "", "locality": "Ca 11 mi S Tunica, 7.3 mi S jct Hwys US 61 & MS 4, W of US 61 & just S of Oak Lake.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "TRS: T6S R12W sec 25 NW/4", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}