Using CC1CCCCN1Cc1coc(-c2ccc(Br)cc2)n1, OB(O)c1cccnc1 to produce CC1CCCCN1Cc1coc(-c2ccc(-c3cccnc3)cc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.