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": ""}
 r 2738  DF<7d James S. McCormac  ro ohio  1990-07-10 &F6 !   UNITED STATES A[    poales Dub=     .4  dichanthelium   *2jZy CONKLE'S HOLLOW STATE NATURE PRESERVE, N SIDE OF BIG PINE RD. 1/4 MI. E OF ST. RT. 374, NE 1/4 SECT. 4, LAUREL TWP., SOUTH BLOOMINGVILLE QUAD     (scribn.) freckmann :  DICHANTHELIUM COLUMBIANUM _-7@         
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Dichanthelium columbianum", "scientificNameAuthorship": "(Scribn.) Freckmann", "genus": "Dichanthelium", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "James S. McCormac", "recordNumber": "2738", "verbatimEventDate": "1990-07-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Ohio", "county": "", "municipality": "", "locality": "Conkle's Hollow State Nature Preserve, N side of Big Pine Rd. 1/4 mi. E of St. Rt. 374, NE 1/4 sect. 4, Laurel Twp., South Bloomingville Quad", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}