Using C[C@@H]1CCc2ncnc(-c3ccc4c(C(CN)c5ccc(Cl)cc5)c[nH]c4c3)c21, CC(C)=O to produce CC(C)NC[C@H](c1ccc(Cl)cc1)c1c[nH]c2cc(-c3ncnc4c3[C@H](C)CC4)ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.