Using CI, O=C(NCCc1ccn(S(=O)(=O)c2ccccc2)c1)C(F)(F)F to produce CN(CCc1ccn(S(=O)(=O)c2ccccc2)c1)C(=O)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.