Using O=S(=O)(Cl)c1ccccc1Cl, O=C1CC2(CCN1)CCN(c1ccc(OC(F)(F)F)cc1)C2=O to produce O=C1CC2(CCN(c3ccc(OC(F)(F)F)cc3)C2=O)CCN1S(=O)(=O)c1ccccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.