Correct monomer for polycondensation?

I'd like to formulate the synthesis reaction of this polymer: 


[![enter image description here](https://i.stack.imgur.com/gwOlx.png)](https://i.stack.imgur.com/gwOlx.png)


I assume this is a normal polycondensation reaction, and the monomer would then be: 


[![enter image description here](https://i.stack.imgur.com/LuV9h.png)](https://i.stack.imgur.com/LuV9h.png)


Is this correct? 


