Using CC(C)(C)OC(=O)N1CC(n2cnc(-c3ccc(F)cc3)c2-c2ccnc(N)n2)C1 to produce Nc1nccc(-c2c(-c3ccc(F)cc3)ncn2C2CNC2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.