Using ClCc1nnc2n1-c1ccc(Br)cc1C(c1ccccc1)=NC2, CC=CCN to produce C=CCCNCc1nnc2n1-c1ccc(Br)cc1C(c1ccccc1)=NC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.