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": ""}
SCHOOLCRAFT EXPEDITION TO THE SOURFCE OF THE MISSISSIPPI RIVER r=4;      ~R I lathyrus japonicus LATHYRUS LQ      DOUGLASS HOUGHTON DRY SANDY HILL _$  WILLD.     1337738 k    6$pz algoma   fEg! japonicus      ONTARIO Foot of Lake Superior, west of Sault Ste. Marie, Pt. aux Pins kJ      =E Ganada   46.464233       FABALES ae|;_ 
{"catalogNumber": "1337738", "order": "Fabales", "family": "", "scientificName": "Lathyrus japonicus", "scientificNameAuthorship": "Willd.", "genus": "Lathyrus", "subgenus": "", "specificEpithet": "japonicus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Douglass Houghton", "recordNumber": "", "verbatimEventDate": "", "habitat": "Dry sandy hill", "occurrenceRemarks": "Schoolcraft Expedition to the Source of the Mississippi River", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Algoma", "municipality": "", "locality": "Foot of Lake Superior, west of Sault Ste. Marie, Pt. aux Pins", "decimalLatitude": "46.464233", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}