Cc1cccc(NC(=O)c2[nH]cnc2C(=O)NCCN(CCNC(=O)c2nc[nH]c2C(=O)Nc2cccc(C)c2)CCNC(=O)c2nc[nH]c2C(=O)Nc2cccc(C)c2)c1
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?