Using CCOC(=O)C(Cc1ccc(C(=O)C(C)(C)C)cc1)(Cc1ccc(C(=O)C(C)(C)C)cc1)C(=O)OCC to produce CCOC(=O)C(Cc1ccc(C(=O)C(C)(C)C)cc1)Cc1ccc(C(=O)C(C)(C)C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.