Using CC(C)(C)OC(=O)N1CCN2C(=O)c3c(cc(Br)cc3C(F)(F)F)[C@@H]2C1 to produce O=C1c2c(cc(Br)cc2C(F)(F)F)[C@@H]2CNCCN12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.