Using COc1ccc2[nH]c(C3CCC(Cc4ccccc4)(N(C)C)CC3)c(C)c2c1 to produce Cc1c(C2CCC(Cc3ccccc3)(N(C)C)CC2)[nH]c2ccc(O)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.