Using COC(=O)CCC(=O)OC, COc1ccc(C(=O)c2ccc(C(C)(C)C)cc2)cc1OC to produce COC(=O)C(CC(=O)O)=C(c1ccc(C(C)(C)C)cc1)c1ccc(OC)c(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.