Using CCCn1c(=O)cc(N)n(Cc2ccccc2)c1=O, O=N[O-] to produce CCCn1c(=O)c(N=O)c(N)n(Cc2ccccc2)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.