Using CCOC(=O)c1nc2scc(CBr)c2c(=O)[nH]1, [C-]#N to produce CCOC(=O)c1nc2scc(CC#N)c2c(=O)[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.