Using O=[N+]([O-])c1ccccc1O, CC(C)(C)OC(=O)N[C@@H](CCO)C(=O)OC1CCCC1 to produce CC(C)(C)OC(=O)N[C@@H](CCOc1ccc([N+](=O)[O-])cc1)C(=O)OC1CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.