Using O=Cc1cnc(CO)c(Cl)c1, COc1cnc2ccc(=O)n(CCN3CCC(N)CC3)c2c1 to produce COc1cnc2ccc(=O)n(CCN3CCC(NCc4cnc(CO)c(Cl)c4)CC3)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.