Using COC(=O)CCc1ccc(O)cc1, OCc1cccc(-c2csc3ccccc23)c1 to produce COC(=O)CCc1ccc(OCc2cccc(-c3csc4ccccc34)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.