O=c1/c(=C/c2ccc(-c3ccc(Cl)cc3Cl)o2)sc2n1[C@@H](c1ccc3c(c1)OCO3)C=C(c1cc(F)c(Cl)cc1Cl)N=2
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?