Using CCOC(=O)CBr, N#CCc1ccc(Cl)c(Cl)c1 to produce CCOC(=O)CC(C#N)(CC(=O)OCC)c1ccc(Cl)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.