Using COC(=O)[C@@H]1C[C@H](NC(=O)OCc2ccccc2)CN(C(=O)OC(C)(C)C)C1 to produce CC(C)(C)OC(=O)N1C[C@@H](NC(=O)OCc2ccccc2)C[C@@H](C(=O)O)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.