Using CN(C)C=O, CCC(CC)n1cc(Br)nc(N2CCc3cc(Cl)cc(Cl)c32)c1=O to produce CCC(CC)n1cc(C#N)nc(N2CCc3cc(Cl)cc(Cl)c32)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.