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