Using COc1ccc(Cl)c2c1C(C1(c3ccccc3)CCC1)N(C)CC2 to produce CN1CCc2c(Cl)ccc(O)c2C1C1(c2ccccc2)CCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.