COc1ccc(C2c3c(n(C)c4ccccc34)C(=O)N2CC(=O)Nc2ccccc2F)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?