Using CC(C)(C)OC[C@H](NC(=O)[C@H](CC(=O)OC(C)(C)C)NC(=O)OCc1ccccc1)C(=O)OC(C)(C)C to produce CC(C)(C)OC[C@H](NC(=O)[C@@H](N)CC(=O)OC(C)(C)C)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.