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": ""}
simplex 2?    VAR. ~X  1992-06-28 ~~d  0.8 mi s on fm 262 from its jc7 witb fm 2, se of navasota.    STANLEY JONES & GRETCHEN JONES  U   4SW FUIRENA SIMPLEXVAR. SIMPLEX  JQmP 1396795   +nxc, simplex Fuirena E  z  Cyperaceae (vz     United States t   (/&$X poales        sp^] GRIMES  
{"catalogNumber": "1396795", "order": "Poales", "family": "Cyperaceae", "scientificName": "Fuirena simplex var. simplex", "scientificNameAuthorship": "", "genus": "Fuirena", "subgenus": "", "specificEpithet": "simplex", "verbatimTaxonRank": "var.", "infraspecificEpithet": "simplex", "identifiedBy": "", "recordedBy": "Stanley Jones & Gretchen Jones", "recordNumber": "", "verbatimEventDate": "1992-06-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Grimes", "municipality": "", "locality": "0.8 mi S on FM 262 from its jct with FM 2, SE of Navasota.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}