Using Nc1c(C(=O)O)c(C(F)(F)F)nn1-c1c(Cl)cc(C(F)(F)F)cc1Cl to produce Cc1c(C(F)(F)F)nn(-c2c(Cl)cc(C(F)(F)F)cc2Cl)c1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.