Cc1cc2c3c(c1C)C1(C(=O)N3C(C)(C)CC2C)C(C#N)=C(N)OC2=C1C(=O)CC(C)(C)C2
A rotatable bond is defined as any single non-ring bond, attached to a non-terminal, non-hydrogen atom. How many bonds in the molecule are rotatable?