There are a number of things to do in the Oak Brook Shopping Center next to the hotel. It has everything from shops to dinning and movie theaters, below is the link to their webpage.
https://www.oakbrookcenter.com/en.html
Pinstripes
7 Oakbrook Center, Oak Brook, IL 60523, (630) 575-8700
AMC Oakbrook Center 12
600 Oakbrook Center, Oak Brook, IL 60523, (630) 686-6023
Gibsons Bar & Steakhouse
2105 Spring Road, Oak Brook, IL 60523, (630) 954-0000
Wildfire
232 Oakbrook Center, Oak Brook, IL 60523, (630) 586-9000
DoubleTree by Hilton Hotel Chicago - Oak Brook
1909 Spring Road, Oak Brook, IL 60523, (630) 472-6000