Using COC1c2cccc(CBr)c2CC1C, c1ccc2c(c1)Cc1ccccc1-2 to produce COC1c2cccc(CC3c4ccccc4-c4ccccc43)c2CC1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.