Using O=C1CC2(CCCCC2Cc2ccccc2)S(=O)(=O)CCN1, BrCCCCBr to produce O=C1CC2(CCCCC2Cc2ccccc2)S(=O)(=O)CCN1CCCCBr, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.