Using Cc1cccc2nc(C(C)N3C(=O)c4ccccc4C3=O)c(-c3ccccc3)c(=O)n12 to produce Cc1cccc2nc(C(C)N)c(-c3ccccc3)c(=O)n12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.