Using CCOC(=O)c1nc(I)c2nc(-c3ccccc3)sc2c1O, BrCc1ccccc1 to produce CCOC(=O)c1nc(I)c2nc(-c3ccccc3)sc2c1OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.