Using CC(=O)OC12OC1CC(C)(C)C13CCC(C1)C(C)(C)C23 to produce CC1(C)C2CCC3(C2)C1C(O)C(=O)CC3(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.