Using O=C(Nc1nc2cccc(Cl)n2n1)c1cccnc1, NC1CCCC(O)C1 to produce O=C(Nc1nc2cccc(NC3CCCC(O)C3)n2n1)c1cccnc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.