COc1ccc(-c2nc3c(c4c2C[C@H](c2ccccc2)OC4)CN(S(=O)(=O)c2ccc(C#N)cc2)CC3)c(C)c1
Hydrogen bond acceptor: The atom, ion, or molecule component of a hydrogen bond which does not supply the bridging (shared) hydrogen atom. How many hydrogen bond acceptors does the molecule have?