Using Cc1cccc(S(=O)(=O)c2ccc3c(c2C(=O)OC(C)(C)C)c2c(n3C)CC3CCC2N3)c1 to produce Cc1cccc(S(=O)(=O)c2ccc3c(c2)c2c(n3C)CC3CCC2N3)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.