Using CCOC(=O)CBr, Cc1[nH]c(=O)c(C#N)cc1-c1ccccc1O to produce CCOC(=O)COc1ccccc1-c1cc(C#N)c(=O)[nH]c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.