Using NO, CCn1ncc2c(Cl)c(C(=O)c3ccc(Cl)cc3)cnc21 to produce CCn1ncc2c3noc(-c4ccc(Cl)cc4)c3cnc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.