Using CC(C)(C)OC(=O)N1CCN(C(=O)OCC2c3ccccc3-c3ccccc32)CC1=O to produce CC(C)(C)OC(=O)N1CCN(C(=O)OCC2c3ccccc3-c3ccccc32)CC1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.