Using O=C(O)c1cn2c3c(c(Cl)ccc3c1=O)CCC2, C1CNCCN1 to produce O=C(O)c1cn2c3c(c(N4CCNCC4)ccc3c1=O)CCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.