Using O=CNCc1c[nH]c(=S)n1[C@H]1CCc2c(F)cc(F)cc2C1 to produce NCc1c[nH]c(=S)n1[C@H]1CCc2c(F)cc(F)cc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.