Using CC1CCNCC1, O=C1Nc2cc(Br)ccc2N2CCc3cccc1c32 to produce CC1CCN(C2=Nc3cc(Br)ccc3N3CCc4cccc2c43)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.