Using C[S-], COc1ccc(-c2coc3cc(OC)cc(F)c3c2=O)cc1 to produce COc1ccc(-c2coc3cc(OC)cc(SC)c3c2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.