Using COC(=O)CNC(=O)c1ccc(N2CCN(c3c(C)nc(N)nc3N)CC2)cc1 to produce Cc1nc(N)nc(N)c1N1CCN(c2ccc(C(=O)NCC(=O)O)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.