Using CS(=O)(=O)Cl, Clc1ccc(CNCc2cccnc2)c(Cl)c1 to produce CS(=O)(=O)N(Cc1cccnc1)Cc1ccc(Cl)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.