Using NCc1ccc(Cl)cc1, CCOC(=O)c1cn(C)c2c(C)c(CO)sc2c1=O to produce Cc1c(CO)sc2c(=O)c(C(=O)NCc3ccc(Cl)cc3)cn(C)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.