Using O=C(O)c1ccc([N+](=O)[O-])cc1, COC(=O)[C@@H](N)[C@@H](C)O to produce COC(=O)[C@@H](NC(=O)c1ccc([N+](=O)[O-])cc1)[C@@H](C)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.