Using c1ccc(P(c2ccccc2)c2ccccc2)cc1, COC(=O)c1sc(-c2ccnn2C)c(Br)c1O to produce COC(=O)c1sc(-c2ccnn2C)c(Br)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.