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": ""}
DRY PINE OPENINGS l   s sawyer schoolcraft expedition to the source of the mississippi river dX.    CISTACEAE f   B1S Malvales lechea stricta ? rB   Legg. ex Britton i  United States 2av=    DOUGLASS HOUGHTON Zj   S.N.      Wisconsin 9n    lechea Qf  STRICTA Y_  1831-08-05 (EF     %T$ 1507700 Ottawa Lake (=Lac Court Oreilles) O_  t  
{"catalogNumber": "1507700", "order": "Malvales", "family": "Cistaceae", "scientificName": "Lechea stricta", "scientificNameAuthorship": "Legg. ex Britton", "genus": "Lechea", "subgenus": "", "specificEpithet": "stricta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Douglass Houghton", "recordNumber": "s.n.", "verbatimEventDate": "1831-08-05", "habitat": "Dry pine openings", "occurrenceRemarks": "Schoolcraft Expedition to the Source of the Mississippi River", "associatedTaxa": "", "country": "United States", "stateProvince": "Wisconsin", "county": "Sawyer", "municipality": "", "locality": "Ottawa Lake (=Lac Court Oreilles)", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}