Using CCOC(=O)CCC(Oc1cc(OCc2ccsc2)ccc1C(C)=O)c1ccccc1C, [Li]CCCC to produce C=C(C)c1ccc(OCc2ccsc2)cc1OC(CCC(=O)OCC)c1ccccc1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.