CC(C)[C@@H](C(=O)NCC1CCCO1)N1C(=O)N2CCc3c([nH]c4ccccc34)[C@@]2(C)C1=O
A rotatable bond is defined as any single non-ring bond, attached to a non-terminal, non-hydrogen atom. Amide C-N bonds are not counted because of their high barrier to rotation.  How many rotatable bonds does the molecule have?