CCOC(=O)/C=c1\s/c(=C\c2ccc3cc(OC)ccc3c2)c(=O)n1CC(=O)NCC1CCCO1
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?