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": ""}
  .2B Michigan  1938-08-04 Mn     1280421 u  JOHN H. EHLERS Wg e0   7053 uyr  Potamogeton epihydrus #6NM  ocqueoc lake d*h  UNITED STATES K r  -84|.11393 (you    ( Z EPIHYDRUS PRESQUE ISLE cC$:  Potamogetonaceae ?V`Mc     E1:;v Alismatales  -U RAF. potamogeton  q!_     H<ADq 45.47503
{"catalogNumber": "1280421", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton epihydrus", "scientificNameAuthorship": "Raf.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "epihydrus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "7053", "verbatimEventDate": "1938-08-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Presque Isle", "municipality": "", "locality": "Ocqueoc Lake", "decimalLatitude": "45.47503", "decimalLongitude": "-84.11393", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}