Using COc1ccc(N(C)S(=O)(=O)c2cccc3c2OC(F)(F)O3)cc1N1CCN(C(=O)OC(C)(C)C)CC1 to produce COc1ccc(NS(=O)(=O)c2cccc3c2OC(F)(F)O3)cc1N1CCNCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.