Using O=C(O)CCc1c[nH]c2c1CCCC2, O=C(c1ncc[nH]1)c1ncc[nH]1 to produce CN(C)C(=O)CCc1c[nH]c2c1CCCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.