Using O=C1Nc2ccccc2C(c2ccccc2)N1C1CCNCC1, BrCC1CC1 to produce O=C1Nc2ccccc2C(c2ccccc2)N1C1CCN(CC2CC2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.