Using COC(=O)c1cc(-c2cncc(C)c2)cnc1Cl, [Zn+]C1CCCC1 to produce COC(=O)c1cc(-c2cncc(C)c2)cnc1C1CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.