O=C1N[C@@H](Cc2ccccc2)COC(=O)[C@H](Cc2ccc(F)cc2)CC/C=C/C[C@H]1CC(=O)N(CCO)Cc1ccccc1
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?