Using CN1CCC(O)CC1, OC(c1cccc(Br)c1)c1nc2ccccc2[nH]1 to produce CN1CCC(OC(c2cccc(Br)c2)c2nc3ccccc3[nH]2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.