Using COC(=O)CCCBr, CC1(C)c2ccc(O)cc2C(=O)c2c1[nH]c1cc(C#N)ccc21 to produce COC(=O)CCCOc1ccc2c(c1)C(=O)c1c([nH]c3cc(C#N)ccc13)C2(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.