Using CCOC(=O)[C@H]1CN(C(=O)OCc2ccccc2)CCN1C(=O)OC(C)(C)C to produce CC(C)(C)OC(=O)N1CCN(C(=O)OCc2ccccc2)C[C@@H]1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.