Using CN1C(=O)N(C(=O)OCc2ccccc2)C[C@@H]1C(=O)OC(C)(C)C to produce CN1C(=O)NC[C@@H]1C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.