Using c1cc2c(ncc3cnc([C@@H]4CCCNC4)n32)[nH]1, O=C(Cl)OC1CCCC1 to produce O=C(OC1CCCC1)N1CCC[C@@H](c2ncc3cnc4[nH]ccc4n23)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.