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": ""}
Cyperaceae s:i/g      radicans u2      YJ`) (BERTERO EX SPRENG.) W.W. THOMAS  1137589  .           8881 /     microcephala F Yy  william wayt thomas ~  
{"catalogNumber": "1137589", "order": "", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "(Bertero ex Spreng.) W.W. Thomas", "genus": "", "subgenus": "", "specificEpithet": "radicans", "verbatimTaxonRank": "", "infraspecificEpithet": "microcephala", "identifiedBy": "William Wayt Thomas", "recordedBy": "", "recordNumber": "8881", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}