Using COCC(=O)CBr, CS(=O)(=O)c1ccc(NC(=N)c2ccc(Cl)cc2)cc1 to produce CS(=O)(=O)c1ccc(N2C=NCC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.