Using Clc1ccc(CCC(Cl)Cn2ccnc2)cc1, COC(=O)c1ccc(S)cc1 to produce COC(=O)c1ccc(SC(CCc2ccc(Cl)cc2)Cn2ccnc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.