Using OB(O)c1ccc2c(c1)CC/C2=N\OCc1ccccc1, OCCn1cc(Br)c(-c2ccncc2)n1 to produce OCCn1cc(-c2ccc3c(c2)CC/C3=N\OCc2ccccc2)c(-c2ccncc2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.