CN(C)CCCNC(=O)C[C@H]1C[C@H](C(=O)N2CCCCC2)[C@@]2(C)c3[nH]c4cc(CCC(=O)N(C)C)ccc4c3CCN2C1=O
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?