Using CCOC(=O)CC(c1ccccc1)c1c(OC)ccc2[nH]ccc12, CN to produce CNC(=O)CC(c1ccccc1)c1c(OC)ccc2[nH]ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.