Using FC(F)(F)c1ccnc(Cl)n1, CC1(NC(=O)OCc2ccccc2)CCNCC1 to produce CC1(NC(=O)OCc2ccccc2)CCN(c2nccc(C(F)(F)F)n2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.