Using N#C[Cu], CC(Cc1cc(F)cc2c(Br)coc12)NC(=O)OC(C)(C)C to produce CC(Cc1cc(F)cc2c(C#N)coc12)NC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.