Roasted Chicken Stuffed with Roasted Red Pepper, Spinach, and Mozzarella

1 whole chicken (about 4-5 pounds)
2 tablespoons olive oil
Salt and pepper to taste
1 cup roasted red peppers, chopped
2 cups fresh spinach, chopped
1 cup mozzarella cheese, shredded
3 cloves garlic, minced
1 teaspoon dried oregano
1 teaspoon dried basil
1 lemon, halved