Using Cc1c(Cl)nc2cc(F)cc(F)c2c1Cl, C[C@H]1CN(C(=O)OC(C)(C)C)CCN1 to produce Cc1c(N2CCN(C(=O)OC(C)(C)C)C[C@@H]2C)nc2cc(F)cc(F)c2c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.