Using CSc1c(F)cc(CBr)cc1F, C[Si](C)(C)OC(C#N)c1ccccc1 to produce CSc1c(F)cc(CC(=O)c2ccccc2)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.