Using CSc1nccc(C(Cl)c2cccc(C#N)c2)n1, c1cncc(Cc2cccnc2)c1 to produce CSc1nccc(C(c2cccc(C#N)c2)C(c2cccnc2)c2cccnc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.