Using COc1ccc(-c2cccc3c2c(C)c(-c2ccccc2)n3C)cc1 to produce Cc1c(-c2ccccc2)n(C)c2cccc(-c3ccc(O)cc3)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.