CCC(C)(C)NC(=O)C(c1cccc(OC)c1OC)N(Cc1ccccc1)C(=O)CCC(=O)Nc1cc(C)on1
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?