Using O=C(OO)c1cccc(Cl)c1, CCCSCCn1c(=N)sc2cc(OC(F)(F)F)ccc21 to produce CCCS(=O)CCn1c(=N)sc2cc(OC(F)(F)F)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.