Using CC(=O)Nc1cc(-c2nc(-c3ccccc3)c(-c3nnc[nH]3)s2)ccn1 to produce Nc1cc(-c2nc(-c3ccccc3)c(-c3nnc[nH]3)s2)ccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.