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": ""}
summer island r19w, sec. 21. 5    t%kt 1968-07-31     CEN TAUREA delta Ne        iH#V asteraceae  United States a:y   p>xx  -86.65386   40 Y   .M( 1252634  h Asterales (S. G. Gmel. ex Gugler) Hayek 3-  subsp. WUbi  Melvern F. Tessene & Michael R Mesler /$|l    I micranthos  |9gH 45.58217 stoebe ]]   Open grassy area. k/%! 
{"catalogNumber": "1252634", "order": "Asterales", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "(S. G. Gmel. ex Gugler) Hayek", "genus": "Centaurea", "subgenus": "", "specificEpithet": "stoebe", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "micranthos", "identifiedBy": "", "recordedBy": "Melvern F. Tessene & Michael R. Mesler", "recordNumber": "40", "verbatimEventDate": "1968-07-31", "habitat": "Open grassy area.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Delta", "municipality": "", "locality": "Summer Island R19W, sec. 21.", "decimalLatitude": "45.58217", "decimalLongitude": "-86.65386", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}