Using CN(NC(=O)[C@@H]1CC[C@@H]2CN1C(=O)N2OCc1ccccc1)C(=O)OC(C)(C)C to produce CN(NC(=O)[C@@H]1CC[C@@H]2CN1C(=O)N2O)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.