Using NO, COC(=O)CC1CN(CCSc2cccs2)CCC1CCC(=O)c1c(F)cnc2ccc(OC)cc12 to produce COC(=O)CC1CN(CCSc2cccs2)CCC1CCC(=NO)c1c(F)cnc2ccc(OC)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.