Using Cc1nccn1-c1nc(-c2ccc(Cl)cc2)c(CCCC(=O)NCCCl)o1 to produce Cc1nccn1-c1nc(-c2ccc(Cl)cc2)c(CCCC2=NCCO2)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.