Using Nc1ccc(F)nc1, CC(C)(C)OC(=O)N1CCC(c2nc(C=O)cs2)CC1 to produce CC(C)(C)OC(=O)N1CCC(c2nc(CNc3ccc(F)nc3)cs2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.