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": ""}
1993-07-20 V3     _x<G 31135    eleocharis WA  Poales ?OS`   F4 ALLISON W. CUSICK  X;&T< MAHONING    OHIO /X 0   <$q Eleocharis obtusa  5li)+ (willd.) schult.  ~) OBTUSA  < united states      1 BQ 1397941 Cyperaceae tQ   n rt i-76 at entrance to ohio turnCpike, ne of north jackson, jackson twp, canfield quad. 
{"catalogNumber": "1397941", "order": "Poales", "family": "Cyperaceae", "scientificName": "Eleocharis obtusa", "scientificNameAuthorship": "(Willd.) Schult.", "genus": "Eleocharis", "subgenus": "", "specificEpithet": "obtusa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Allison W. Cusick", "recordNumber": "31135", "verbatimEventDate": "1993-07-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Ohio", "county": "Mahoning", "municipality": "", "locality": "Rt I-76 at entrance to Ohio Turnpike, NE of North Jackson, Jackson Twp, Canfield Quad.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}