Using CCNc1nc2c(N(Cc3ccc(OC)cc3)Cc3ccc(OC)cc3)nc3ccccc3c2n1CC(C)C to produce CCNc1nc2c(N)nc3ccccc3c2n1CC(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.