Using O=C(Oc1ccccc1)Oc1ccccc1, COC(OC)c1ccc2c(n1)NCCC2 to produce COC(OC)c1ccc2c(n1)N(C(=O)Oc1ccccc1)CCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.