Using COc1ccc2c(c1)NC(=O)C(C(=O)OC(C)(C)C)CC2, CCI to produce CCN1C(=O)C(C(=O)OC(C)(C)C)CCc2ccc(OC)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.