Using Nc1ccc2cn[nH]c2c1, COc1cccc2c(Cl)c(C#N)cnc12 to produce COc1cccc2c(Nc3ccc4cn[nH]c4c3)c(C#N)cnc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.