Using CC1(C)CC(O)CC(C)(C)C1, O=C(O)Cc1ccc(O)cc1 to produce CC1(C)CC(OC(=O)Cc2ccc(O)cc2)CC(C)(C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.