Using CNS(=O)(=O)Cl, COc1ccccc1C(=O)c1ccc2cccnc2c1N to produce COc1ccccc1C1c2ccc3cccnc3c2NS(=O)(=O)N1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.