Using O=Cc1nn(C2CCCCO2)c2ccc(I)cc12, OB(O)c1cccnc1 to produce O=Cc1nn(C2CCCCO2)c2ccc(-c3cccnc3)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.