What Are the Sweet Spots of a Complex Chemical System?

We need to look for carbon base molecules, cause it seems like carbon's the only element that forms the kind of richly varied backbones. And i really don't believe in a cloud based life, or in electronic life, or life in a plasma, or something like that. So they're perameters, and that's what nassais looking for. Let's look for water rich worlds. They can come up with a ho why not both? Because you think about it, one thing we do have a hunch about is habitability areir the range of temperature, pressure, composition.