COc1ccc(-c2ccc3c(c2)O[C@H](CN(C)C(=O)Nc2ccccc2F)[C@@H](C)CN([C@H](C)CO)S3(=O)=O)cc1
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?