system: You are a contract-analysis assistant performing a span-extraction task. You are given an excerpt from a commercial contract and the name of a clause type to locate within it.

Return the exact text of the requested clause, copied verbatim from the excerpt — identical wording and punctuation, with no paraphrasing, summarising, explanation, or added commentary.

The excerpt is one window of a much longer contract and often will not contain the requested clause. If the requested clause does not appear in this excerpt, respond with exactly: Not found.

Output only the extracted clause text, or the exact string `Not found.` — nothing else.

user: Contract excerpt:
"""
and/or their respective affiliates the Products & Services. All Products & Services shall be delivered to the account(s) or facilit(y)(ies) identified in the applicable Second Level Agreement, or performed at the Village or at such other location upon which the Parties may mutually agree in the applicable Second Level Agreement. (b) All Services included in the Products & Services shall be performed with at least the level of service, quality and care provided by Constellation to other third parties receiving the same or substantially similar services. Constellation will provide, or cause to be provided, all of the Services included in the Products & Services in compliance in all material respects with all applicable laws, rules, regulations, codes, orders, treaties and other requirements of federal/national, state/provincial and local governments and agencies thereof, including but not limited those relating to labor, health, safety and the environment. 2.2 Exclusivity. Provided that Constellation is not then in breach of its obligations pursuant to this Agreement, including without limitation Section 2.1 hereof, and provided that Constellation has available for purchase a product or service which meets the needs of the HOF Entities at competitive market pricing, (a) neither of the HOF Entities shall purchase, at any time during the Term, any commodity electricity or gas from any person or entity other than Constellation and its affiliates and (b) in the event and to the extent mutually agreed by the Parties, neither of the HOF Entities shall grant or award to any company designated by Constellation (and mutually agreeable to the HOF Entities) any project which the Parties mutually agree shall not be granted or awarded to such company. Notwithstanding the foregoing, this Section 2.2 shall not be deemed to apply to agreements executed prior to the date of this Agreement between the HOF Entities and Johnson Controls, Inc. or any of its affiliates. 3 Source: GPAQ ACQUISITION HOLDINGS, INC., S-4/A, 1/23/2020 2.3 Costs and Expenses for Services. All up-front costs of providing the services included in the Products & Services, excluding costs of consumption of energy and energy-related services, shall be borne by Constellation. Costs of consumption of energy, energy-related services and EME services provided pursuant to this Agreement shall be borne by the HOF Entities. 2.4 EME Financing. A minimum of [***] in mutually agreed upon EME financing will be contracted for by the Parties, with a minimum of [***] of such aggregate amount to be contracted for in each of [***] and [***]. ARTICLE 3 SPONSORSHIP RIGHTS AND BENEFITS 3.1 Sponsorship Rights. Subject to the terms of this Agreement, the HOF Entities hereby grant to Constellation, for the entire Term (except as otherwise set forth on Exhibit E), the sponsorship rights, advertising rights and other benefits described on Exhibit E (the "Sponsorship Rights"). 3.2 Production and Execution of Sponsorship Rights. (a) The design, layout, content and copy of all advertising signs and/or promotional materials covered by this Agreement, including any subsequent changes at Constellation's expense, are subject to prior written approval by the HOF Entities, which approval shall not be unreasonably withheld (provided, however, that a rejection or denial of approval shall not be considered unreasonable if the HOF Entities, in their sole discretion, determine that an advertising sign or promotional material covered by this Agreement is used in any manner that is contrary to public morals, could be deceptive or misleading or could reflect unfavorably on the good name, goodwill, reputation or image of the HOF Entities or their respective affiliates). (b) Constellation agrees, at its sole cost and expense, to supply the HOF Entities with camera-ready artwork required for the production of advertising signs and/or promotional materials covered by this Agreement and to be produced by or on behalf of the HOF Entities at least thirty (30) days before such material is scheduled to be produced. Constellation hereby specifically authorizes the HOF Entities to use such artwork in the production of such advertising signs and/or promotional materials and represents and warrants that all of its advertising copy shall comply with all applicable federal, state and local laws pertinent to the advertising of its products. Constellation represents and warrants that it shall own all intellectual property and related rights or shall otherwise have the right to use and authorize the HOF Entities' use of same as it relates to any such artwork and advertising copy. 4 Source: GPAQ ACQUISITION HOLDINGS, INC., S-4/A, 1/23/2020 (c) Constellation shall be solely responsible for all costs and expenses incurred in connection with the creation and/or production
"""

Extract the exact clause related to "Document Name" from the excerpt above.