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": ""}
big shoal. depth f water 4-5 ft. n@ t?  POALES p    TU:H CYPERACEAE 1484096          1935-08-10 LHp    UNITED STATES M    QNa acutus  _ -84.6962611111 (muhl. ex bigelow) ã. lã¶ve & d. lã¶ve l   peter a. hyypio J+    Michigan Z      
{"catalogNumber": "1484096", "order": "Poales", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "(Muhl. ex Bigelow) \u00c3\u0081. L\u00c3\u00b6ve & D. L\u00c3\u00b6ve", "genus": "", "subgenus": "", "specificEpithet": "acutus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Peter A. Hyypio", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1935-08-10", "habitat": "Big Shoal. Depth of water 4-5 ft.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-84.6962611111", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}