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": ""}
 -81.8z 1@  ELEOCHARIS z0  MANITOULIN 5`sm.   S 6W? POALES kunth n s-g   Bz.^M eleocharis ellitica     J 1932-07-17  carl o. grassl pGyW      4538 pFqld           ik MK 1397342
{"catalogNumber": "1397342", "order": "Poales", "family": "", "scientificName": "Eleocharis elliptica", "scientificNameAuthorship": "Kunth", "genus": "Eleocharis", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "4538", "verbatimEventDate": "1932-07-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Manitoulin", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-81.8", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}