CC1CCCN(C(C(=O)NC2CCCCC2)c2cc3c(cc2[N+](=O)[O-])OCO3)C1
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?