Using O=C(N1CCc2ccc(Cl)c(OS(=O)(=O)C(F)(F)F)c2CC1)C(F)(F)F, COC(=O)c1ccc(CN)cc1 to produce COC(=O)c1ccc(CNc2c(Cl)ccc3c2CCN(C(=O)C(F)(F)F)CC3)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.