Using CCC(=O)Nc1ccc2c(c1)c(-c1cncc(N3CCC(NC(=O)OC(C)(C)C)CC3)n1)cn2C(=O)OC(C)(C)C to produce Nc1ccc2[nH]cc(-c3cncc(N4CCC(N)CC4)n3)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.