Using CNC(=O)[C@H](Cc1ccccc1)NC(=O)[C@H]1CC[C@H](CNC(=O)OC(C)(C)C)CC1 to produce CNC(=O)[C@H](Cc1ccccc1)NC(=O)[C@H]1CC[C@H](CN)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.