Grilled Honey Mustard Chicken

Name: Grilled Honey Mustard Chicken
Ingredients: 1/2 cup honey mustard; 3 tablespoons molasses; 2 tablespoons apple cider vinegar; 2 tablespoons unsalted butter, melted; 2 teaspoons chipotle hot sauce; Kosher salt and freshly ground pepper; 12 ounces fresh okra, trimmed; 8 ounces assorted baby bell peppers, trimmed, halved lengthwise if large; 2 tablespoons vegetable oil, plus more for the grill; 4 skinless, boneless chicken breasts (about 8 ounces each); Chopped fresh chives, for topping; Cornbread, for serving (optional)