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": ""}
 CANADA         < HAMILTON    x ALISMATALES  + pistia stratiotes  2005-07-25 6LZ u      `. L.  ?-VF 166276 Araceae qxy(      @/W+] J. VAN ZWOL, J. MACNEIL  ` TWO CLUMPS SEEN - ONE INACCESSIBLE AND UNCOLLECTED. FIRST DOUND A WEEK EARLIER BY Ci. J. ROTHFELS ET AL. BUT TOO FAR OUT  TO COLLECT. PRESUMABLY DUMPED IN THE CANAL FROM SOMEONE'S FISHTANK   
{"catalogNumber": "1662476", "order": "Alismatales", "family": "Araceae", "scientificName": "Pistia stratiotes", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J. Van Zwol, J. MacNeil", "recordNumber": "", "verbatimEventDate": "2005-07-25", "habitat": "", "occurrenceRemarks": "Two clumps seen - one inaccessible and uncollected. First dound a week earlier by C. J. Rothfels et al. but too far out to collect. Presumably dumped in the canal from someone's fish tank", "associatedTaxa": "", "country": "Canada", "stateProvince": "", "county": "Hamilton", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}