Using CC(=O)OC(C)=O, O=C1CCc2cc(N3CCC(O)CC3)ccc2N1 to produce CC(=O)OC1CCN(c2ccc3c(c2)CCC(=O)N3)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.