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": ""}
7268 SP   rJ carl o. grassl 42.36667 <    | POALES  vF   Washtenaw  zi$3 Michig@an  Eleocharis 9DJ  Eleocharis obtusa w#   -I (WILLD.) SCHULT.        $=Dl# UNITED STATES  4 -84.08333  Z>  1936-07-03  $ % Cyperaceae  OBTUSA %   hL`c% edge of muddy pool.  Green Lake. HIC)    1330558 _ 
{"catalogNumber": "1330558", "order": "Poales", "family": "Cyperaceae", "scientificName": "Eleocharis obtusa", "scientificNameAuthorship": "(Willd.) Schult.", "genus": "Eleocharis", "subgenus": "", "specificEpithet": "obtusa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "7268", "verbatimEventDate": "1936-07-03", "habitat": "Edge of muddy pool.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Green Lake.", "decimalLatitude": "42.36667", "decimalLongitude": "-84.08333", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}