Using CC1(C)OCC(C)(C)C(C(=O)NCCC(=O)OCc2ccccc2)O1 to produce CC1(C)OCC(C)(C)C(C(=O)NCCC(=O)O)O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.