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": ""}
Nutt. 5    uSEz Michigan   F shore of otter lake.    H Charles D. Richards salicaceae Y|U4  exigua Lp    6/,) 1950-07-12          1316946  q^b     ?Om+ -88.573772   
{"catalogNumber": "1316946", "order": "", "family": "Salicaceae", "scientificName": "", "scientificNameAuthorship": "Nutt.", "genus": "", "subgenus": "", "specificEpithet": "exigua", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles D. Richards", "recordNumber": "", "verbatimEventDate": "1950-07-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Shore of Otter Lake.", "decimalLatitude": "", "decimalLongitude": "-88.573772", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}