Using COC(=O)CCc1ccc(O)cc1, OCc1cccc(Nc2ccccc2)c1 to produce COC(=O)CCc1ccc(OCc2cccc(Nc3ccccc3)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.