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": ""}
  &); isle royale. s.w. end of siskiwit lake.       5wS 2474   u haloragaceae  Pwr keweenaw robin w. scribailo, mitchell s. alix <   dc. `$c   Michigan $HTN   myriophyllum alternilorum $E myriophyllum &5L   ,Y united states     -  l saxifragales  james b. mcfarlin Ww4   d EA -88.80608 1223076 5Cm    A shallow water.  s Q5 48.00842
{"catalogNumber": "1223076", "order": "Saxifragales", "family": "Haloragaceae", "scientificName": "Myriophyllum alterniflorum", "scientificNameAuthorship": "DC.", "genus": "Myriophyllum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Robin W. Scribailo, Mitchell S. Alix", "recordedBy": "James B. McFarlin", "recordNumber": "2474", "verbatimEventDate": "", "habitat": "Shallow water.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Keweenaw", "municipality": "", "locality": "Isle Royale. S.W. end of Siskiwit Lake.", "decimalLatitude": "48.00842", "decimalLongitude": "-88.80608", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}