Using CCOC(=O)c1nn(C)c2c1C(C)(C)Cc1cnc(Nc3ccc(N4CCN(C)CC4)cc3)nc1-2 to produce CN1CCN(c2ccc(Nc3ncc4c(n3)-c3c(c(C(=O)[O-])nn3C)C(C)(C)C4)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.