Using Br[Se]c1ccccc1, CCOC(=O)C1CCC2(CC1)OCCO2 to produce CCOC(=O)C1([Se]c2ccccc2)CCC2(CC1)OCCO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.