Using C=CCn1c(=O)n(-c2ccc3c(c2)OCO3)c2ncc([N+](=O)[O-])cc21 to produce CCCn1c(=O)n(-c2ccc3c(c2)OCO3)c2ncc(N)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.