Using CCOC(=O)c1cc(Br)c(NC(=O)C(F)(F)F)c([N+](=O)[O-])c1, CC(C)=CCBr to produce CCOC(=O)c1cc(Br)c(N(CC=C(C)C)C(=O)C(F)(F)F)c([N+](=O)[O-])c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.