Using CCOC(=O)c1c(C(C)(C)O)nc(SC)n1Cc1ccc(-c2ccccc2-c2nnn[nH]2)cc1 to produce CSc1nc(C(C)(C)O)c(C(=O)O)n1Cc1ccc(-c2ccccc2-c2nnn[nH]2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.