Using CCN(C(=O)CCC1CCN(C(=O)OC(C)(C)C)C1=O)c1cn(-c2cccnc2)nc1Cl to produce CCN(C(=O)CCC1CCNC1=O)c1cn(-c2cccnc2)nc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.