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": ""}
svbmersed in small polluted creek 72#u       ?2 1948-09  |4lr ELODEA CANADENSIS   1702501 DWwx   ALISMATALES .A    yz hydrocharitaceae   Zwc louis h. jordal  UPPLAND  M  contact um herbarium X!~  MICHX. M5     |   458  Juq uppsala CANADENSIS ,_HV4  Elodea !$v  sweden P 
{"catalogNumber": "1702501", "order": "Alismatales", "family": "Hydrocharitaceae", "scientificName": "Elodea canadensis", "scientificNameAuthorship": "Michx.", "genus": "Elodea", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Louis H. Jordal", "recordNumber": "458", "verbatimEventDate": "1948-09", "habitat": "submersed in small polluted creek", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Sweden", "stateProvince": "Uppland", "county": "Uppsala", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}