Using COc1c(C=O)ccc2c1C(=O)OCc1cc(C)ccc1S2, CC(C)C(=O)[Mg]Br to produce COc1c(C(O)CC(C)C)ccc2c1C(=O)OCc1cc(C)ccc1S2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.