Using COC(=O)c1cc(-c2ccccc2)nc(-c2nnn[nH]2)c1 to produce O=C(O)c1cc(-c2ccccc2)nc(-c2nnn[nH]2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.