Using COC(=O)c1ccc(-c2ccc(CCC(=O)OC(C)(C)C)c3cccnc23)cc1 to produce COC(=O)c1ccc(-c2ccc(CCC(=O)O)c3cccnc23)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.