Using O=S(=O)(Cl)c1ccc(Cl)cc1, CC(=O)Nc1nc2ccc(-c3cnc(Cl)c(N)c3)cc2s1 to produce CC(=O)Nc1nc2ccc(-c3cnc(Cl)c(NS(=O)(=O)c4ccc(Cl)cc4)c3)cc2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.