Using N=C(N)N, COc1ccc(COc2ncccc2N2CCC(=O)C(=CN(C)C)C2)cc1 to produce COc1ccc(COc2ncccc2N2CCc3nc(N)ncc3C2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.