Using COC(C(=O)N1c2ncnc(N3CCN(C(=O)OC(C)(C)C)CC3)c2CC[C@@H]1C)(c1ccccc1)C(F)(F)F to produce C[C@H]1CCc2c(ncnc2N2CCN(C(=O)OC(C)(C)C)CC2)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.