Using CCOC(=O)C1(CCCCB2OC(C)(C)C(C)(C)O2)COC(C)(C)N1C(=O)OCc1ccccc1 to produce CCOC(=O)C(CO)(CCCCB1OC(C)(C)C(C)(C)O1)NC(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.