COc1ccc(C(C(=O)NC(C)(C)C)N(C(=O)CSc2nnc(-c3ccccc3)n2C)c2ccc(C)cc2)cc1
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?