Using CC(=O)c1sc(-c2ncc(Cl)c(Nc3cc(C4CC4)[nH]n3)n2)nc1C to produce Cc1nc(-c2ncc(Cl)c(Nc3cc(C4CC4)[nH]n3)n2)sc1C(C)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.