Using O=C1NCCN1c1ccccc1, BrCCCCCOc1ccc(Br)cc1 to produce O=C1N(CCCCCOc2ccc(Br)cc2)CCN1c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.