Using O=Cc1nc(Cl)cc2c1c(I)nn2C(c1ccccc1)(c1ccccc1)c1ccccc1 to produce OCc1nc(Cl)cc2c1c(I)nn2C(c1ccccc1)(c1ccccc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.