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": ""}
 Argentina .(     s.g. tressens y c.l. cristã³bal xDM:!    Corrientes aC2j     y[ 1981-11-20   CZ;%` Alismatales  1368 j <f     h~9 Pistia stratiotes  VCQ san cosme. laguna en el camino al rã­o    PISTIA R    , stratiotes   3ii araceae  flotante  n 
{"catalogNumber": "", "order": "Alismatales", "family": "Araceae", "scientificName": "Pistia stratiotes", "scientificNameAuthorship": "", "genus": "Pistia", "subgenus": "", "specificEpithet": "stratiotes", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "S.G. Tressens y C.L. Crist\u00c3\u00b3bal", "recordNumber": "1368", "verbatimEventDate": "1981-11-20", "habitat": "Flotante", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Argentina", "stateProvince": "Corrientes", "county": "", "municipality": "", "locality": "San Cosme. Laguna en el camino al r\u00c3\u00ado", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}