Using Nc1cc(Cl)c2c(c1)CN(Cc1ccccc1)CC2, Nc1ccc(C(F)(F)F)cc1 to produce Nc1cc2c(c(Nc3ccc(C(F)(F)F)cc3)c1)CCN(Cc1ccccc1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.