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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the Force Majeure. Should a Force Majeure continue for more than two (2) months, the Party unaffected by the Force Majeure may terminate this Agreement upon prior written notice to the affected Party. If the Force Majeure equally affects the ability of each Party to perform under this Agreement, then such termination shall only be by mutual written agreement. Section 14. NOTICES All notices or other communications that are required or permitted by this Agreement shall be in writing and shall be delivered personally, sent by fax (and promptly confirmed by overnight courier), sent by nationally recognized overnight courier, or sent by registered or certified mail, postage prepaid, return receipt requested, addressed as follows: 17 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. If to Magenta: Magenta Therapeutics, Inc. Attn: [***] 50 Hampshire Street 8t h Floor Cambridge, MA 02139 [***] If to Bachem: Bachem Americas, Inc. Attn: [***] 3132 Kashiwa Street, Torrance, CA 90505 [***] All notices delivered pursuant to this Section 14 shall be considered delivered upon receipt by the intended recipient. Section 15. MISCELLANEOUS 15.1 Further Actions. The Parties shall duly execute and deliver, or cause to be duly executed and delivered, such further instruments, and to do and cause to be done such further acts that may be necessary to carry out the provisions and purposes of this Agreement, notwithstanding any expiration or termination of this Agreement. 15.2 Amendments; Assignment. This Agreement, including any Project Plans or other attachments, may not be altered, amended or modified except by a written document signed by both Parties. Bachem will not assign this Agreement without the prior written consent of Magenta, and any purported assignment in contravention of this Section 15.2 shall be null and void; provided, however, that either Party may assign this Agreement in connection with (i) the sale, transfer or other disposition of its assets related to this Agreement, (ii) a change in control of such Party, or (iii) the sale or transfer of substantially all of such Party's outstanding stock. 15.3 Subcontracting. Bachem shall not assign, subcontract or delegate any of its rights or obligations under this Agreement without the express prior written authorization of Magenta, provided however, that Bachem may subcontract its rights and obligations hereunder to those subcontractors identified and agreed to by the Parties in the Quality Agreement. Bachem shall cause any such authorized subcontractor to be subject by contract to the same restrictions, exceptions, obligations, reports, termination provisions and other provisions contained in this Agreement and any applicable Project Plan(s). Bachem shall remain primarily obligated for all acts and omissions of any of its subcontractors as if Bachem had performed the subcontracted obligations itself, and shall guarantee the performance of the same. 15.4 Successors; Assigns. This Agreement shall be binding upon and inure to the benefit of the Parties hereto and each of their respective successors and permitted assigns. 15.5 Severability. All agreements and covenants contained herein are severable, and in the event any of them shall be held to be invalid by any competent court, this Agreement shall be interpreted as if such invalid agreements or covenants were not contained herein. 15.6 Entire Agreement. This Agreement, including the attached Project Plans, constitutes the entire agreement between the Parties related to the subject matter hereof, and supersedes all prior communications, representations, or agreements, either verbal or written, between the Parties. Each Party confirms that it is not relying on any representations or warranties of the other Party except as specifically set forth herein. 18 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. 15.7 Independent Contractor. This Agreement shall not be deemed to create any partnership, joint venture, or agency relationship between the Parties. Each Party shall act hereunder as an independent contractor, and its agents and employees shall have no right or authority under this Agreement to assume or create any obligation on behalf of, or in the name of, the other Party. All persons employed by a Party shall be employees of such Party and not of the other Party, and all
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Extract the exact clause related to "Source Code Escrow" from the excerpt above.

assistant: Not found.