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": ""}
  MtLy najas R.D. VanDeusen O  MONTMORENCY ECE    sm_ 1304462  `7O E ess lake   VUI united states  -83.9828 C   Michigan H  Najas flexilis c   rp 7 (WILLD.) ROSTK. & W. L. E. SCHMIDT       al|5matales z;    1942-08-16 O   4B!J 243  
{"catalogNumber": "1304462", "order": "Alismatales", "family": "", "scientificName": "Najas flexilis", "scientificNameAuthorship": "(Willd.) Rostk. & W. L. E. Schmidt", "genus": "Najas", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R.D. VanDeusen", "recordNumber": "243", "verbatimEventDate": "1942-08-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Montmorency", "municipality": "", "locality": "Ess Lake", "decimalLatitude": "", "decimalLongitude": "-83.9828", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}