Cc1ccc([C@H]2C[C@@H](n3cc(C4CC4)nn3)[C@H](O)CN2CC2CCCCC2)cc1
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?