Using OB(O)c1cccs1, Nc1nc(Cl)c2cnn(Cc3ccccc3F)c2n1 to produce Nc1nc(-c2cccs2)c2cnn(Cc3ccccc3F)c2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.