Using CN(CCN(C)C(=O)OC(C)(C)C)C(=O)O[C@@H](Cc1ccccc1)C(=O)OCc1ccccc1 to produce CNCCN(C)C(=O)O[C@@H](Cc1ccccc1)C(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.