Using CCOC(=O)[C@@H]1CC2(CC[C@@H]1N1CC[C@H](NC(=O)OCc3ccccc3)C1=O)OCCO2 to produce CCOC(=O)[C@@H]1CC(=O)CC[C@@H]1N1CC[C@H](NC(=O)OCc2ccccc2)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.