Using ClC(Cn1ccnc1)c1ccccc1, COC(=O)c1ccc(S)cc1 to produce COC(=O)c1ccc(SC(Cn2ccnc2)c2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.