Using CCc1nc(-n2ccnc2CC)nc2c1[nH]c(=O)c1cnc(CC)n12 to produce CCc1nc(-n2ccnc2)nc2c1[nH]c(=O)c1cnc(CC)n12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.