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": ""}
  ANDROPOGON GERARDII J^+     PZ POACEAE JOHN H. EHLERS  X        t  l MICHIGAN  United States l5(Z      |5< 1933-08-13 5449 H <   45.47447 A^    5Cy  shore of ocqueoc lake.   mInk GERARDII  
{"catalogNumber": "", "order": "", "family": "Poaceae", "scientificName": "Andropogon gerardii", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "gerardii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "5449", "verbatimEventDate": "1933-08-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Shore of Ocqueoc Lake.", "decimalLatitude": "45.47447", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}