COC(=O)N1[C@H]2Cc3c(OC)c(C)c(OC)c(OC)c3[C@@H]1/C(=C\c1cc(OC)c(OC)c(C)c1OC)N(Cc1ccccc1)C2=O
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?