Using NO, CCc1c(C)nc(-c2ccc(Cl)s2)nc1Nc1ccc(CC#N)cc1 to produce CCc1c(C)nc(-c2ccc(Cl)s2)nc1Nc1ccc(CC(=N)NO)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.