C[C@H](NC(=O)N1C[C@@H]2C[C@H](C1)Cn1c2cccc1=O)C(=O)Nc1ccc(F)c(F)c1
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?