Combine olive oil, minced shallots, rosemary, thyme, and minced garlic in a zip-top plastic bag. Add chicken breast halves. Marinate in the refrigerator 2 hours. Remove chicken from bag; sprinkle with salt and pepper. Brush the herb mixture evenly over chicken. Heat a grill pan over medium-high heat. Coat pan with cooking spray. Add chicken to pan; cook for 6 minutes on each side or until done.