Using COCCOC(=O)Cl, N[C@@H]1CCN(c2ccc(N3C[C@H](Cn4ccnn4)OC3=O)cc2F)C1 to produce COCCOC(=O)N[C@@H]1CCN(c2ccc(N3C[C@H](Cn4ccnn4)OC3=O)cc2F)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.