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": ""}
   Oa` FLOTANTE 1981-11-20 +SJ9<L    1368 B    0O Pistia   L. f[[  san cosme. laguna en el camino al rã­o Or   =K p Corrientes  [ 1663284 araceae DX      STRATIOTES I8%  pistia stratiotes w|  S.G. TRESSENS Y C.L. CRISTÃ³BAL k=AB   UO8~  Alismatales  6sV argentina  @:Lnk FLORES BLANCAS 
{"catalogNumber": "1663284", "order": "Alismatales", "family": "Araceae", "scientificName": "Pistia stratiotes", "scientificNameAuthorship": "L.", "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": "flores blancas", "associatedTaxa": "", "country": "Argentina", "stateProvince": "Corrientes", "county": "", "municipality": "", "locality": "San Cosme. Laguna en el camino al r\u00c3\u00ado", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}