Using COC(=O)C(Oc1ccc(C)cc1C1(C)CCCCC1)c1ccccc1, O=C1CCC(=O)N1Br to produce COC(=O)C(Oc1ccc(CBr)cc1C1(C)CCCCC1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.