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": ""}
 1750 I2Sca    1428981 #     fg UNITED STATES  Dichanthelium commonsianum Q;)  EAST OF CLRKE j^cAb   Lake w:h   1903-06-06 z<k     Poaceae <sUO   =TqT (ashe) freckmann   ,R INDIANA  /e.zT Poales  O. E. LANSING &MV   DICHANTHELIUM WjXUI    h2 COMMONSIANUM
{"catalogNumber": "1428981", "order": "Poales", "family": "Poaceae", "scientificName": "Dichanthelium commonsianum", "scientificNameAuthorship": "(Ashe) Freckmann", "genus": "Dichanthelium", "subgenus": "", "specificEpithet": "commonsianum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "O. E. Lansing", "recordNumber": "1750", "verbatimEventDate": "1903-06-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Indiana", "county": "Lake", "municipality": "", "locality": "East of Clarke", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}