Using COc1cccc(C2CN(C(=O)[O-])C3(COCCOC3)C(=O)N2)c1, [OH-] to produce COc1cccc(C2CN(C(=O)OC(C)(C)C)C3(COCCOC3)C(=O)N2CC(=O)O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.