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:
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bring a legal action for infringement against the third party, together with the right to enforce and collect any judgment thereon. If Licensor elects to exercise such right, Licensee shall, at Licensor's request, provide reasonable assistance to Licensor, at the sole expense of Licensor. 3. INDEMNIFICATION. Licensee shall defend, indemnify and hold harmless Licensor and its officers, directors, employees, agents, corporate subsidiaries, parents, and affiliates ("Licensor Indemnitees") from and against any and all demands, claims, actions or causes of action, assessments, deficiencies, damages, losses, liabilities and expenses (including, without limitation, reasonable expenses of investigation and attorneys' fees and expenses), incurred in conjunction with or arising out of or relating to any third-party claim concerning the Licensed Products and any acts or omissions of Licensee with respect to the Licensed Mark, including without limitation Licensee's performance of its obligations under this Agreement. The Licensor Indemnitees agree to cooperate with Licensee, at Licensee's expense, to provide copies of any documents or materials reasonably requested by Licensee in support of its defense of the Licensor Indemnitees. 4. TERM AND TERMINATION. 4.1 Term. The Term of this Agreement will commence on the Effective Date and shall continue for the time periods set forth in Schedules 1 and 2 unless sooner terminated in accordance with the terms of this Agreement. 4.2 Termination for Breach. Licensor and Licensee will be entitled to terminate this Agreement by written notice to the other party in the event the other party is in material breach of any of its obligations hereunder and shall fail to remedy any such default within one hundred twenty (120) days after notice thereof by the non-breaching party. 4.3 Termination Upon Bankruptcy. Either party may terminate this Agreement by written notice to the other in the event of: (a) the other party's making assignment for the benefit of its creditors or filing a voluntary petition under any bankruptcy or insolvency law, under the reorganization or arrangement provisions of the United States Bankruptcy Code, or under the provisions of any law of like import; or (b) the filing of an involuntary petition against the other party under any bankruptcy or insolvency law, under the reorganization or arrangement provisions of the United States Bankruptcy Code, or under any law of like import; or (c) the appointment of a trustee or receiver for the party or its property. 3 Source: ARCONIC ROLLED PRODUCTS CORP, 10-12B, 12/17/2019 4.4 Survival of Obligations; Return of Confidential Information. Notwithstanding any expiration or termination of this Agreement, Sections 1.4, 3, 4.4, 5.1, 5.2, and 6.1 through 6.11 shall survive and continue to be enforceable as set forth herein. Upon any expiration or termination of this Agreement, Licensee shall promptly return to Licensor, or at Licensor's direction, destroy all Licensor confidential information and all copies thereof in Licensee's possession. 5. REPRESENTATIONS AND WARRANTIES. 5.1 Licensor represents and warrants to Licensee that Licensor's performance of its obligations under this Agreement is not in conflict with, and will not result in a breach of or constitute a default under, any other contract, instrument, rule of law or order of any court or governmental agency to which Licensor is a party or by which Licensor is bound. 5.2 Licensee represents and warrants to Licensor that Licensee's performance of its obligations under this Agreement are not in conflict with, and will not result in a breach of or constitute a default under, any other contract, instrument, rule of law or order of any court or governmental agency to which Licensee is a party or by which Licensee is bound. 5.3 No Warranty. But for the warranty set forth in section 5.1., supra, Licensor, by this Agreement, makes no warranties or guarantees, either express or implied, arising by law or otherwise with regard to the Licensed Mark and/or the Licensed Products. In particular, Licensor assumes no obligation and makes no representations or warranties hereunder, express or implied, in law or in fact, with respect to: (i) the utility, quality or characteristics of the Licensed Mark or any use, embodiment, or modification thereof; (ii) the use of any Licensed Product, embodiments, or modifications thereof, or (iii) whether such Licensed Products, or any use, embodiments, or modifications thereof, would be in compliance with any federal, state or local laws, regulations, standards or criteria with respect to any claim which may arise in connection with any sale or use of Licensed Products. LICENSOR SPECIFICALLY DISCLAIMS, AND WILL HAVE NO OBLIGATION OR LIABILITY FROM THIS AGREEMENT WITH REGARD TO THE LICENSED MARK FOR
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Extract the exact clause related to "Most Favored Nation" from the excerpt above.