Using Cn1nc(-c2ccccc2)c2c(C(F)(F)F)cc(Br)nc21, COC(=O)CN to produce COC(=O)CNc1cc(C(F)(F)F)c2c(-c3ccccc3)nn(C)c2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.