Using O=C1CCc2c(ccc3cc(O)ccc23)O1, CC(C)(C)OC(=O)CBr to produce CC(C)(C)OC(=O)COc1ccc2c3c(ccc2c1)OC(=O)CC3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.