Using CC[Ge](CC)(CC)[Ge](C)(Cl)[Ge](CC)(CC)CC, [OH-] to produce CC[Ge](CC)(CC)[Ge](C)(O[Ge](C)([Ge](CC)(CC)CC)[Ge](CC)(CC)CC)[Ge](CC)(CC)CC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.