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system
Name the molecular formula for the molecule established as (9S,11S)-4-chloro-11-(2-fluorophenyl)-9-thiophen-3-yl-8-oxa-12,13,14,15,17-pentazatetracyclo[8.7.0.02,7.012,16]heptadeca-1(10),2(7),3,5,13,15-hexaene using the IUPAC nomenclature.
user
C21H13ClFN5OS
assistant