COCCn1c(C(=O)N(C)C)cc2c1C[C@H]1CN(C(=O)c3ccccc3)[C@@](Cc3ccc(F)cc3)(C(=O)OC)[C@@H]21
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?