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": ""}
  DUu HYDROCHARIS MORSUS-RANAE    45.0662833 ]6   MR% floating, with lemna triscula and spirodela polyrhiza, in a sparganium eurycarpum-typha marsh. 1485021 kz   Pb s s.n.     ]$ morsus-ranae  aL anton a. reznicek  jane herbert *Aw     Y -83.4355667   YP Ciy of Alpena, On Thunder Bay River Duck Park canoe launch.   hydrocharitaceae d   michigan [  L. 3u_ G  
{"catalogNumber": "1485021", "order": "", "family": "Hydrocharitaceae", "scientificName": "Hydrocharis morsus-ranae", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "morsus-ranae", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Jane Herbert", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "Floating, with Lemna triscula and Spirodela polyrhiza, in a Sparganium eurycarpum-Typha marsh.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "City of Alpena, On Thunder Bay River Duck Park canoe launch.", "decimalLatitude": "45.0662833", "decimalLongitude": "-83.4355667", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}