Using FC(F)(F)c1ccc2c(c1)N(CCCCl)c1ccccc1S2, CC(O)C(C)OC1CCNCC1 to produce CC(O)C(C)OC1CCN(CCCN2c3ccccc3Sc3ccc(C(F)(F)F)cc32)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.