Using N#C[Zn]C#N, COC(=O)c1cc(Br)cc2c1c(C)cn2C(C)C to produce COC(=O)c1cc(C#N)cc2c1c(C)cn2C(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.