Using C[O-], Fc1cccc2ncnc(Nc3ccc4c(cnn4Cc4ccccn4)c3)c12 to produce COc1cccc2ncnc(Nc3ccc4c(cnn4Cc4ccccn4)c3)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.