COc1ccc(-c2c(C#N)c(SCC(=O)Nc3ccc(C)c(C)c3)nc(C)c2C(=O)Nc2ccccc2)cc1OC
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?