Using OB(O)/C=C/c1ccc(Cl)cc1, CC(C)(C)OC(=O)N[C@H]1CCCC[C@H]1Nc1nc(Cl)c2c(c1F)CN(C(=O)OC(C)(C)C)C2=O to produce CC(C)(C)OC(=O)N[C@H]1CCCC[C@H]1Nc1nc(CCc2ccc(Cl)cc2)c2c(c1F)CN(C(=O)OC(C)(C)C)C2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.