Using CCOC(=O)c1cncc(Br)c1, OB(O)c1ccccc1-c1ccccc1OCc1ccccc1 to produce CCOC(=O)c1cncc(-c2ccccc2-c2ccccc2OCc2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.