Using CN(C)C=O, CCOc1ccc(Nc2cc(Cl)nn3c(Br)cnc23)cc1 to produce CCOc1ccc(Nc2cc(Cl)nn3c(C#N)cnc23)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.