Using COc1ccc(-c2ccc3c(c2)NC(=O)C2CN(C(=O)OCc4ccccc4)CCN32)c(C)c1 to produce COc1ccc(-c2ccc3c(c2)NC(=O)C2CNCCN32)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.