Using CCOC(=O)Cc1nc(N2CCOCC2)c(F)c(=S)[nH]1 to produce O=C([O-])Cc1nc(N2CCOCC2)c(F)c(=S)[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.