Using CC(=O)Nc1nc(C)c(-c2csc(C(=O)Nc3ccc4c(c3)C(=O)OC(C)(C)O4)n2)s1 to produce CC(=O)Nc1nc(C)c(-c2csc(C(=O)Nc3ccc(O)c(C(=O)O)c3)n2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.