Using COC(=O)C1=C(OS(=O)(=O)C(F)(F)F)c2cc(Br)ccc2OCC1, [Li]C to produce COC(=O)C1=C(C)c2cc(Br)ccc2OCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.