Using Brc1cnc2c(c1)CC1(CN3CCC1CC3)O2, OB(O)c1ccccc1 to produce c1ccc(-c2cnc3c(c2)CC2(CN4CCC2CC4)O3)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.