Using COc1ccc(S(=O)(=O)c2ccc3c(c2C(=O)OC(C)(C)C)c2c(n3C)CC3CCC2N3)cc1 to produce COc1ccc(S(=O)(=O)c2ccc3c(c2)c2c(n3C)CC3CCC2N3)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.