Using CN(C)C=O, Cc1cnc(N2CCN(C(=O)c3ccc(CN4CCCS4(=O)=O)cc3Br)CC2)c(C)c1 to produce Cc1cnc(N2CCN(C(=O)c3ccc(CN4CCCS4(=O)=O)cc3C#N)CC2)c(C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.