Using COC(=O)[C@@H]1C=C(c2cnc(N)c(-c3ccc(C(=O)OC(C)(C)C)c(F)c3)c2)CN1C(=O)OC(C)(C)C to produce COC(=O)[C@@H]1C[C@H](c2cnc(N)c(-c3ccc(C(=O)OC(C)(C)C)c(F)c3)c2)CN1C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.