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": ""}
 1988-08-28 /4   MUDDY SLOUGH. 9W  Cyperaceae ndU    3 obtusa        B -84.161221  >?<7 42.066186 ELEOCHARIS <  Robert W. Smith !r_o    ;c3 uni7ed states  eleocharis obtusa .       
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "Eleocharis obtusa", "scientificNameAuthorship": "", "genus": "Eleocharis", "subgenus": "", "specificEpithet": "obtusa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert W. Smith", "recordNumber": "", "verbatimEventDate": "1988-08-28", "habitat": "Muddy slough.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "42.066186", "decimalLongitude": "-84.161221", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}