Using COC(=O)N=C(N)SC, O=C=Nc1cccc(C(F)(F)F)c1 to produce CSC1NC(=O)N(c2cccc(C(F)(F)F)c2)C(=O)N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.