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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Termination for breach will include: 1. Failure to purchase Product and distribute to End Users as called for in II D. 2. Failure of SCIEN achieving less than 50% achievement of the minimum Purchases as in III B.7. for two (2) consecutive years, 3. Insolvency, or the filing for protection under either Party's bankruptcy laws. Upon the filing of a petition in bankruptcy, insolvency or reorganization against or by either Party, or either Party becoming subject to a composition for creditors , whether by law or agreement, or either party going into receivership or otherwise becoming insolvent (such party hereinafter referred to as the "insolvent party"), this Agreement may be terminated by the other Party by giving written notice of termination to the insolvent Party, such termination immediately effective upon the giving of such notice of termination. {***} Confidential portions of this exhibit have been redacted and filed separately with the Commission pursuant to a confidential treatment request in accordance with Rule 24b-2 of the Securities Exchange Act of 1934, as amended. Page 5 of 28 C. Upon the occurrence of a breach or default as to any obligation hereunder by either Party and the failure of the breaching Party to cure (within thirty (30) days after receiving written notice thereof from the non-breaching Party) such breach or default, this Agreement may be terminated by the non- breaching Party by giving written notice of termination to the breaching Party, such termination being immediately effective upon the giving of such notice of termination. D. In the event this Agreement is terminated by either Party for any reason whatsoever, HEMISPHERX agrees to reasonable efforts to make Product available to SCIEN for a period of three (3) months after the termination date at the same Transfer Price and under the same terms of payment. E. In the event of termination of this Agreement, SCIEN will have the right to complete all contracts for the sale or disposition of Product) under which SCIEN is obligated on the date of termination, provided SCIEN pays the associated Transfer Price and provided all such sales or dispositions are completed within three (3) months after the date of termination. Thereafter, HEMISPHERX shall purchase from the SCIEN all remaining stock of Product that is of merchantable quality at the same price as was paid by SCIEN. VII. ASSIGNMENT Neither this Agreement nor any rights or obligations or licenses hereunder may be assigned, pledged, transferred or encumbered by either party without the express prior written approval of the other party, except that either HEMISPHERX or SCIEN may assign this Agreement to any successor by merger or sale of substantially all of its business or assets to which this Agreement pertains, without any such consent. Any assignment in violation hereof is void. VIII. AUTHORITY SCIEN and HEMISPHERX each warrant and represent that it has the full right and power to make the promises set forth in this Agreement and that there are no outstanding agreements, assignments, or encumbrances inconsistent with the provisions of this Agreement. IX. EXCEPT AS EXPRESSLY SET FORTH IN THIS SECTION IX, HEMISPHERX MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND, EITHER EXPRESSED OR IMPLIED, REGARDING THE DEVELOPMENT, VIABILITY, COMMERCIAL OR OTHER USEFULNESS OR SUCCESS OF PRODUCT) AND THAT NO WARRANTY OR REPRESENTATION THAT ANYTHING MADE, USED, SOLD OR OTHERWISE PRACTICED OR ANY SERVICE PROVIDED UNDER THIS AGREEMENT WILL NOT INFRINGE ANY PATENT, COPYRIGHT, TRADE SECRET, OR OTHER PROPRIETARY RIGHT, FOREIGN OR DOMESTIC, OF ANY THIRD PARTY AND MAKES NO WARRANTIES OR REPRESENTATIONS AS TO THE VALIDITY, ENFORCEABILITY OR SCOPE OF ANY HEMISPHERX INTELLECTUAL PROPERTY. X. INDEMNIFICATION AND WARRANTIES A. INDEMNIFICATION SCIEN and HEMISPHERX (each an "Indemnifying Party") shall indemnify, defend and hold harmless and the other Party's subsidiaries or affiliates, their agents, directors, officers, employees and assigns (the "Indemnified Parties") from and against all losses, liabilities, damages, demands and expenses (including reasonable attorneys' fees and expenses) arising out of, as a result of, or in connection with (i) the negligent actions of the Indemnifying Party, its employees or any third party acting on behalf of or under authority of the Indemnifying Party in the performance of this Agreement and/or (ii) the violation of any representation or warranty of Indemnifying Party in this Agreement. Each Party's obligations under this provision shall be subject to the other Party providing reasonable notice of any such claim. Each Party shall defend with competent counsel and pay all costs of defence, including attorneys' fees, and any and all damages and court costs
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Extract the exact clause related to "Covenant Not To Sue" from the excerpt above.