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": ""}
 1938-07-18 R=    Ci Potamogeton -85.781401 g&XW        @0T6 gramineus  XyI- potamogetonaceae   p.h. eschmeyer     B 335  R-[2 L. DEPTH OF WATER: 2(1-4) F7. BOTTOM: FIBROUS PEAT +3~U3  CASS x! u   B^ 12808^41   o:j^ Miller Lake   ob united states    NS4 Michigan  (|bY. Alismatales
{"catalogNumber": "1280841", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "gramineus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "P.H. Eschmeyer", "recordNumber": "335", "verbatimEventDate": "1938-07-18", "habitat": "Depth of Water: 2(1-4) ft. Bottom: fibrous peat", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Cass", "municipality": "", "locality": "Miller Lake", "decimalLatitude": "", "decimalLongitude": "-85.781401", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}