Using NC(=O)CBr, CN(C1=NC(=O)C(=Cc2ccc3c(cnn3Cc3ccc(Cl)cc3C(F)(F)F)c2)S1)C1CCNC1 to produce CN(C1=NC(=O)C(=Cc2ccc3c(cnn3Cc3ccc(Cl)cc3C(F)(F)F)c2)S1)[C@@H]1CCN(CC(N)=O)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.