Using CCOC(=O)c1csc(Nc2ccc(-n3cnc(C)c3)c(OC)c2)n1 to produce COc1cc(Nc2nc(C(C)(C)O)cs2)ccc1-n1cnc(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.