Using C#Cc1cccnc1N, ON=C(Cl)Cc1ccc(CCc2ccccn2)cc1 to produce Nc1ncccc1-c1cc(Cc2ccc(CCc3ccccn3)cc2)no1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.