Using Cc1c(C=O)c2cnnc(OCc3ccccc3)c2n1Cc1ccccc1 to produce Cc1c(CO)c2cnnc(OCc3ccccc3)c2n1Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.