Using CC(=O)OC(CN(CCCCCCOCCc1ccccn1)C(C)=O)c1cc(Cl)c(N)c(Cl)c1 to produce Nc1c(Cl)cc(C(O)CNCCCCCCOCCc2ccccn2)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.