Using Cc1ccc(S(=O)(=O)NC2CC(Oc3ncccc3C3CCN(C(=O)OC(C)(C)C)CC3)C2)cc1 to produce Cc1ccc(S(=O)(=O)NC2CC(Oc3ncccc3C3CCNCC3)C2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.