O=C1OC[C@H]2CCCN2C(=O)[C@@H](CC(=O)N(CCO)Cc2ccccc2)C/C=C\C[C@H]1Cc1ccc(F)cc1
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?