Using CCOC(=O)c1[nH]c(=O)[nH]c1CN1CCN(c2ccccc2OC)CC1 to produce COc1ccccc1N1CCN(Cc2[nH]c(=O)[nH]c2C(=O)O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.