Using NNC(=O)c1cc2c(cn1)[nH]c1ncc(-c3ccc(CN4CCCCC4)cc3)cc12, COC(OC)OC to produce c1nnc(-c2cc3c(cn2)[nH]c2ncc(-c4ccc(CN5CCCCC5)cc4)cc23)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.