Using FC1(F)CCCNCC1, O=C(O)c1csc(-c2ccccc2)c1 to produce O=C(c1csc(-c2ccccc2)c1)N1CCCC(F)(F)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.