Using CS(=O)(=O)NC(=O)c1cc(Cl)c(Oc2cnc(F)c(Cl)c2)cc1F, FC1(F)CNC1 to produce CS(=O)(=O)NC(=O)c1cc(Cl)c(Oc2cnc(N3CC(F)(F)C3)c(Cl)c2)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.