Using CNCCN, Cc1ccc(NC(=O)c2ccc(C#N)cc2)c(C(=O)Nc2ccc(Cl)cn2)c1 to produce Cc1ccc(NC(=O)c2ccc(C3=NCCN3C)cc2)c(C(=O)Nc2ccc(Cl)cn2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.