Using Cc1ccc(N2CCc3ncnc(Cl)c3C2)c(C#N)c1, NCc1ccc2ccccc2n1 to produce Cc1ccc(N2CCc3ncnc(NCc4ccc5ccccc5n4)c3C2)c(C#N)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.