Using CC(C)(C)OC(=O)NC1CCN(S(=O)(=O)c2ccc3c(c2)CCN3C(=O)C2CC2)CC1 to produce NC1CCN(S(=O)(=O)c2ccc3c(c2)CCN3C(=O)C2CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.