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": ""}
 2P  ONBTARIO   V ~ poaceae  (michx.) nash HquB    SCHIZACHYRIUM Z_    w.? 5693    y Schizachyrium scoparium   1920-09-16 e   KY 1423338       #SaCy o. a. farwell  oc scoparium  LAMBTMON $   
{"catalogNumber": "1423338", "order": "", "family": "Poaceae", "scientificName": "Schizachyrium scoparium", "scientificNameAuthorship": "(Michx.) Nash", "genus": "Schizachyrium", "subgenus": "", "specificEpithet": "scoparium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "O. A. Farwell", "recordNumber": "5693", "verbatimEventDate": "1920-09-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Ontario", "county": "Lambton", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}