Using C=Cc1cn2c(n1)C(OC1CCN(C)CC1)c1ccccc1CC2 to produce CCc1cn2c(n1)C(OC1CCN(C)CC1)c1ccccc1CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.