Using NO, CN1Cc2c(C#N)ncn2-c2ccc(F)c(Cl)c2C1=O to produce CN1Cc2c(C(N)=NO)ncn2-c2ccc(F)c(Cl)c2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.