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