Using CC(C)Oc1c(C(=O)OC(C)(C)C)n(C)c2ccc(OCc3ccccc3)cc12 to produce CC(C)Oc1c(C(=O)O)n(C)c2ccc(OCc3ccccc3)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.