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:
"""
necessary to wind down such work as promptly as practicable. 7.5 Survival. The rights and obligations of each Party which by their nature survive the termination or expiration of this Agreement shall survive the termination or expiration of this Agreement, including Sections 4.2, 5, 6.3-6.6, 7.2-7.5, 8, 9, 10, 11, 12, 14, 15.1, 15.4-15.8, 15.10, 15.11 and 15.12. In addition, Bachem hereby acknowledges that neither expiration nor termination of this Agreement shall affect in any manner Magenta's right to manufacture and sell, or have manufactured and sold, the Product. Section 8. INTELLECTUAL PROPERTY 8.1 Magenta Pre-Existing Intellectual Property. All intellectual property (including trademarks), including all data, information, know-how, reports and any and all related documentation, which are developed, generated or derived, directly or indirectly by or on behalf of Magenta prior to the Effective Date ("Magenta Pre-Existing Intellectual Property") shall remain the sole property of Magenta. 8.2 Bachem Intellectual Property. All intellectual property (including trademarks), including all data, information, reports, manufacturing know- how and any and all related documentation, which are (a) developed, generated or derived, directly or indirectly by or on behalf of Bachem prior to the Effective Date or (b) any manufacturing know-how developed or generated by Bachem that is generally applicable to the field of peptide manufacturing and not specific to the Product or Magenta's Confidential Information (such items under the foregoing clauses (a) and (b), collectively, "Bachem Intellectual Property"), shall remain the sole property of Bachem. In the event that any Bachem Intellectual Property is incorporated into any 12 CONFIDENTIAL TREATMENT REQUESTED. INFORMATION FOR WHICH CONFIDENTIAL TREATMENT HAS BEEN REQUESTED IS OMITTED AND MARKED WITH "[***]". AN UNREDACTED VERSION OF THE DOCUMENT HAS ALSO BEEN FURNISHED SEPARATELY TO THE SECURITIES AND EXCHANGE COMMISSION AS REQUIRED BY RULE 406 UNDER THE SECURITIES ACT OF 1933, AS AMENDED. deliverable (including Magenta Developed Intellectual Property (including Product)) or is otherwise necessary to fully exploit such deliverable, Bachem hereby grants to Magenta a perpetual, irrevocable, nonexclusive, worldwide, paid up, royalty-free license under such Bachem Intellectual Property (with the full right to sublicense directly or indirectly through multiple tiers) to (i) copy, distribute, display, perform and create derivative works of the Bachem Intellectual Property, in whole or in part; and (ii) to use Bachem Intellectual Property and/or practice the subject matter thereof, in each case solely in connection with manufacturing, marketing, promoting, using, selling, offering for sale, importing or distributing such deliverable (e.g., Product). Without limiting the foregoing, Magenta may use and disclose Bachem Intellectual Property to the extent necessary in connection with the prosecution, maintenance and enforcement of Magenta Developed Intellectual Property. 8.3 Magenta Data. All data, images, information, documents, records in whatever form obtained, developed, recorded or compiled (i) in connection with this Agreement or any Project Plan that relates to the Development Work or the Product, including, but not limited to, its development, manufacture or use, expressly excluding any Bachem Intellectual Property, or (ii) based upon or utilizing Magenta Confidential Information (collectively, "Magenta Data") are and shall remain the sole and exclusive property of Magenta, and will be gathered, stored, secured, managed and maintained by Bachem in accordance with Applicable Laws. Bachem agrees to take such further acts as may be requested by Magenta in order to evidence the foregoing. Promptly upon the expiration or termination of this Agreement or any Project Plan, and otherwise upon Magenta's request, Bachem will promptly provide originals or a copy (as applicable) of all Magenta Data to Magenta in a form acceptable to Magenta, and, to the extent that Magenta so requests. Availability of batch records shall be provided as set forth in Section 5.11. At Magenta's request, Bachem will destroy all remaining Magenta Data in Bachem's possession or under Bachem's control, so long as not in contravention of Applicable Laws. Bachem will not utilize Magenta Data for any purpose other than the performance of Services, and will cease use of any Magenta Data after expiration or termination of this Agreement. Notwithstanding anything herein to the contrary, Bachem may retain any Magenta Data in electronically stored archives that cannot be deleted, subject to Bachem's document retention policies and to the terms of confidentiality and non- use set forth in this Agreement. 8.4 Magenta's Developed Intellectual Property. Any invention (whether patentable or not), discoveries, improvements, works-of-authorship or other intellectual property made, conceived or reduced to practice by Bachem in connection with its performance under this Agreement or any Project Plan, which expressly excludes Bachem Intellectual Property ("Magenta Developed Intellectual Property"), shall be exclusively
"""

Extract the exact clause related to "Post-Termination Services" from the excerpt above.

assistant: Not found.