What is the fine-grained topic of the following text: “We’re excited to have under construction an enterprise-class, purpose-built data center designed to deliver 18 megawatts of power and 169,000 net rentable square feet of capacity in downtown Chicago,” said Matt Gleason, Vice President and General Manager of CoreSite, in the company’s press release. Only return the topic.
Construction of an enterprise-class data center in downtown Chicago