Using CC(=O)O, Cc1c(I)nc2n1CCN(C(=O)OCc1ccccc1)C2 to produce Cc1c(C(=O)O)nc2n1CCN(C(=O)OCc1ccccc1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.