Cc1cc(OCc2nnc3n2N=C(c2cc(F)c(Cl)cc2Cl)/C(=C/c2ccc(Cl)cc2)S3)ccc1Cl
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?