Using OB(O)c1ccc(F)nc1, Brc1ccc(CCNc2ncnc3nccnc23)cc1 to produce Fc1ccc(-c2ccc(CCNc3ncnc4nccnc34)cc2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.