Using CCOC(=O)C1CN(C(=O)OC(C)(C)C)CC1=O, NCc1ccccc1 to produce CCOC(=O)[C@@H]1CN(C(=O)OC(C)(C)C)C[C@H]1NCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.