Using O=C1NC(=O)C2(Cc3ccc([N+](=O)[O-])cc3C2)N1, COc1ccc(CO)cc1 to produce COc1ccc(CN2C(=O)NC3(Cc4ccc([N+](=O)[O-])cc4C3)C2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.