COC(=O)C1=C(C)N(Cc2ccccc2)C(NCc2cc(OC)c(OC)c(OC)c2)=N[C@H]1c1ccccc1
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?