Using Cc1nc2n(c1CN1C(=O)c3ccccc3C1=O)-c1ccc(Cl)cc1C(c1ccccc1Cl)=NC2 to produce Cc1nc2n(c1CN)-c1ccc(Cl)cc1C(c1ccccc1Cl)=NC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.