Using NC1=NS(=O)(=O)c2ccccc21, CS(=O)(=O)OC1CN(C(c2ccc(Cl)cc2)c2ccc(Cl)cc2)C1 to produce O=S1(=O)N=C(NC2CN(C(c3ccc(Cl)cc3)c3ccc(Cl)cc3)C2)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.