Using C=C(C)CCO, COC(=O)Cc1cc(Br)c(Oc2cc(C(C)C)c(O)cc2C(=O)c2cccc(C)c2)c(Br)c1 to produce C=C(C)CCOc1cc(C(=O)c2cccc(C)c2)c(Oc2c(Br)cc(CC(=O)O)cc2Br)cc1C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.