Using CN(C(=O)OC(C)(C)C)C1CN(C(=O)N2CCN(S(C)(=O)=O)CC2)CC1c1ccccc1 to produce CNC1CN(C(=O)N2CCN(S(C)(=O)=O)CC2)CC1c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.