Using CC(C)(C)OC(=O)N1Cc2cc(Cl)c(I)cc2C1, O=C([O-])[O-] to produce COc1cc2c(cc1Cl)CN(C(=O)OC(C)(C)C)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.