Using O=C(O)CCc1c[nH]c2ccccc12, CC1NCC2(CCN(C)CC2)O1 to produce CC1OC2(CCN(C)CC2)CN1C(=O)CCc1c[nH]c2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.