Using BrCCCCBr, N#CCc1ccc(-c2nc3ccccc3o2)cc1Cl to produce N#CC1(c2ccc(-c3nc4ccccc4o3)cc2Cl)CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.