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": ""}
   -81.8 B>     Canada   +   z 6o8 KUNTH eleocharis elliptica neAh   m manitoulin     45Â° 33' N 81Â° 48' W     fTSE 4538  POALES B     Ontario >T      d=J ELEOCHARIS    xZpR CARL O. GRASSL
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Eleocharis elliptica", "scientificNameAuthorship": "Kunth", "genus": "Eleocharis", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "4538", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Manitoulin", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-81.8", "verbatimCoordinates": "45\u00c2\u00b0 33' N 81\u00c2\u00b0 48' W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}