Using NCCN, CN(C)c1ccc2c(c1)C(=O)c1ccc(C#N)cc1S2(=O)=O to produce CN(C)c1ccc2c(c1)C(=O)c1ccc(C3=NCCN3)cc1S2(=O)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.