Using CC(=O)OC(C)=O, O=c1ccc2cc(N3CCC(O)CC3)ccc2[nH]1 to produce CC(=O)OC1CCN(c2ccc3[nH]c(=O)ccc3c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.