Using COc1ccc2c(c1)CCn1c-2cc(Nc2cccc([N+](=O)[O-])c2)nc1=O to produce COc1ccc2c(c1)CCn1c-2cc(Nc2cccc(N)c2)nc1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.