Cc1cc2cc(CN(Cc3ccc4c(c3)OCO4)C(=O)c3cnccn3)c3nnnn3c2cc1C
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?