Using O=C1NC(=O)C2(Cc3ccc([N+](=O)[O-])cc3C2)N1, CC(=O)O to produce CNc1ccc2c(c1)CC1(C2)NC(=O)NC1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.