Using COc1ccc(NN)cc1, CSc1ccc(C(=O)CC(=O)C(F)F)cc1 to produce COc1ccc(-n2nc(C(F)F)cc2-c2ccc(SC)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.