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 warrant to the Company that, except as otherwise expressly set forth in, or permitted pursuant to, this Agreement, (a) the authorized signatory or signatories of the MG Capital Parties set forth on the signature page hereto has the power and authority to execute this Agreement and any other documents or agreements to be entered into in connection with this Agreement and to bind the MG Capital Parties thereto, (b) this Agreement has been duly authorized, executed and delivered by the MG Capital Parties, and assuming due execution by each counterparty hereto, is a valid and binding obligation of the Parties, enforceable against the MG Capital Parties in accordance with its terms, except as enforcement thereof may be limited by applicable bankruptcy, insolvency, reorganization, moratorium, fraudulent conveyance or similar laws generally affecting the rights of creditors and subject to general equity principles, (c) the execution of this Agreement, the consummation of any of the transactions contemplated hereby, and the fulfillment of the terms hereof, in each case in accordance with the terms hereof, will not conflict with, or result in a breach or violation of the organizational documents of the MG Capital Parties as currently in effect, (d) the execution, delivery and performance of this Agreement by the MG Capital Parties does not and will not violate or conflict with any law, rule, regulation, order, judgment or decree applicable to the MG Capital Parties, (e) as of the date of this Agreement, the MG Capital Parties are deemed to beneficially own 2,703,537 shares of Common Stock, (f) as of the date hereof, and except as set forth in clause (e) above, the MG Capital Parties do not currently have, and do not currently have any right to acquire any beneficial, record or derivative interest in any other securities of the Company (or any rights, options or other securities convertible into or exercisable or exchangeable (whether or not convertible, exercisable or exchangeable immediately or only after the passage of time or the occurrence of a specified event) for such securities or any obligations measured by the price or value of any securities of the Company or any of its controlled Affiliates, including any swaps or other derivative arrangements designed to produce economic benefits and risks that correspond to the ownership of shares of Common Stock or any other securities of the Company, whether or not any of the foregoing would give rise to beneficial ownership (as determined under Rule 13d-3 promulgated under the Exchange Act), and whether or not to be settled by delivery of shares of Common Stock or any other class or series of the Company's stock, payment of cash or by other consideration, and without regard to any short position under any such contract or arrangement), (g) the MG Capital Parties have not entered into or maintained, and will not enter into or maintain, any economic, compensatory, pecuniary or other arrangements with any director of the Company for serving as a nominee or director of the Company, (h) no person other than the MG Capital Parties has any rights with respect to the shares of Common Stock beneficially owned by the MG Capital Parties and (i) none of the MG Capital Parties or their Affiliates has formed, or has any present intent to form, a group (within the meaning of Section 13(d) under the Exchange Act) with any person or entity not identified on Exhibit A in relation to the Company or the Common Stock. 5 6. Mutual Non-Disparagement. Subject to applicable law, each of the Parties covenants and agrees that, during the Standstill Period, neither Party nor any of its subsidiaries, Affiliates, successors, assigns, principals, partners, members, general partners, officers, key employees or directors (collectively, "Representatives"), shall in any way, directly or indirectly, in any capacity or manner, whether written or oral, electronically or otherwise (including, without limitation, in a television, radio, internet, newspaper, magazine interview, or otherwise through the press, media, analysts or other persons or in any document or report filed with the SEC), publicly disparage, impugn, make ad hominem attacks on or otherwise defame or slander or make, express, transmit, speak, write, verbalize or otherwise publicly communicate in any way (or cause, further, assist, solicit, encourage, support or participate in any of the foregoing), any public communication or statement of any kind, whether verbal, in writing, electronically transferred or otherwise, that might reasonably be construed to be disparage, derogate or impugn, the other Party or such other Party's Representatives (including any current officer or
"""

Extract the exact clause related to "Irrevocable Or Perpetual License" from the excerpt above.