Using ClC=CCCl, CC(C)(C)OC(=O)Nc1ccc2cc(C#N)ccc2c1Br to produce CC(C)(C)OC(=O)N(CC=CCl)c1ccc2cc(C#N)ccc2c1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.