How to enable SSL on easywp host provider

My domain is on namecheap and the host provider is easywp which is also provided by namecheap. While setting up the cloudflare ssl certificate I have change the name servers on domain site. but I am not able to setup on easywp to install certificate.

The required key are private key, ssl certificate and CA bundles(optional).

I had pasted the private key provided by the cloudflare. But i am confused what to paste in ssl certificate. I had pasted CSR code in the box of ssl certificate. but ssl was not enabled.

I am unable to understand which step was wrong.

Try using a Cloudflare Origin CA certificate: