Using COc1ccc2c(Cl)ncc(N3CCNCC3)c2c1, O=S(=O)(OCC(F)F)C(F)(F)F to produce COc1ccc2c(Cl)ncc(N3CCN(CC(F)F)CC3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.