Yes, in one of Rick Bayless's cookbooks is a recipe for Spicy Peanut Mole that has an ingredient list similar to that your sauce (which doesn't sound Thai to me, not with chipotles,
cumin, oregano, and new mexican chili powder), I've made that peanut mole several times with fantastic results. The nuttiness and the chipotles just sound like they'd be well-suited to the sweet potato-chicken ...