Using CC(C)CBr, CNC(=O)c1c(-c2ccc(F)cc2)oc2ccc(-c3cccc(-c4nnn[nH]4)c3)cc12 to produce CNC(=O)c1c(-c2ccc(F)cc2)oc2ccc(-c3cccc(-c4nnn(CC(C)C)n4)c3)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.