Using O=C(CCl)N=C=S, CNc1ccc(C(O)(C(F)(F)F)C(F)(F)F)cc1 to produce CN(C1=NC(=O)CS1)c1ccc(C(O)(C(F)(F)F)C(F)(F)F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.