Using COc1ccccc1N1CCN(CCCc2ccccn2)CC1, BrC1CCCCC1 to produce COc1ccccc1N1CCN(CCC(c2ccccn2)C2CCCCC2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.