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": ""}
20.68081 4       CHICHEN ITZÃ  Dy!   2~XF= ARACEAE   ( 1932-06-25   :Av brasiliensis      E2, Wolffia brasiliensis     -88.56817   &   ALISMA7ALES  /h     
{"catalogNumber": "", "order": "Alismatales", "family": "Araceae", "scientificName": "Wolffia brasiliensis", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "brasiliensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1932-06-25", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Chichen Itz\u00c3\u00a0", "decimalLatitude": "20.68081", "decimalLongitude": "-88.56817", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}