Using FC(F)(F)I, CN1CCn2c(C(F)(F)F)ccc2C12CCN(C(=O)OC(C)(C)C)CC2 to produce CN1CCn2c(cc(C(F)(F)F)c2C(F)(F)F)C12CCN(C(=O)OC(C)(C)C)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.