Using CCOC(=O)c1csc(-c2cnn(Cc3ccc(OC)cc3)c2)n1 to produce COc1ccc(Cn2cc(-c3nc(C(=O)O)cs3)cn2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.