Using COc1cccc(C(=O)Nc2c(C)n[nH]c2-c2ccccc2)c1 to produce COc1cccc(-c2nc3c(C)n[nH]c3c3ccccc23)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.