Using O=C(Cl)c1cccnc1, c1cnc2c(c1)N(CC1CC1)CCC1CNCCN21 to produce O=C(c1cccnc1)N1CCN2c3ncccc3N(CC3CC3)CCC2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.