Using COC(=O)C(C)(C)CCCBr, Cc1ccc(C)c(OCCCC(C)(C)C(=O)Nc2ccc(O)cc2)c1 to produce COC(=O)C(C)(C)CCCOc1ccc(NC(=O)C(C)(C)CCCOc2cc(C)ccc2C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.