Using CN(C)CCn1c(=O)c2cc([N+](=O)[O-])ccc2c2cnc3cc4c(cc3c21)OCO4 to produce CN(C)CCn1c(=O)c2cc(N)ccc2c2cnc3cc4c(cc3c21)OCO4, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.