Using OB(O)c1cccc(O)c1, COc1cc2nccc(Oc3ccc(C)nc3I)c2cc1OC to produce COc1cc2nccc(Oc3ccc(C)nc3-c3cccc(O)c3)c2cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.