CC12CCC(=O)C=C1CCC1C2CCC2(C)C1CC1C3C(=O)N(Cc4ccccc4)C(=O)C3CC(=O)C12
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?