CCS(=O)(=O)C1=NN2C(=N)/C(=C\c3ccc(OS(=O)(=O)c4ccccc4)c(OC)c3)C(=O)N=C2S1
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?