Using COC(=O)CCCBr, Cn1c(=O)c2c(-c3cccc(C#N)c3)[nH]cc2n(C)c1=O to produce COC(=O)CCCn1cc2c(c1-c1cccc(C#N)c1)c(=O)n(C)c(=O)n2C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.