COc1ccc(N(C(=O)/C=C\C(=O)Nc2ccc(Cl)cc2)C(C(=O)NCc2ccco2)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?