Using CCn1ncc2c(N)cc(Br)cc21, Cc1cccc(C(=O)O)n1 to produce CCn1ncc2c(NC(=O)c3cccc(C)n3)cc(Br)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.