Using O=C(O)c1ccc(-n2ncc3cc(I)ccc32)cc1, O=C([O-])[O-] to produce COC(=O)c1ccc(-n2ncc3cc(I)ccc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.