Using CC(C)N(C(=O)CCOCCCBr)C1CCN(Cc2ccccc2)CC1 to produce CC(C)N(CCCOCCCBr)C1CCN(Cc2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.