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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a drug or biological product that has been determined by the FDA to be therapeutically equivalent to the Licensed Product, such that it may be substituted by a pharmacist for the Licensed Product in the Field in the Territory without the need for such pharmacist to seek authorization from the physician that prescribed the Licensed Product. 1.13 "Biosimilar Entry Date" means the first day of the first Calendar Quarter that occurs after Biosimilar Competitor(s) have achieved at least [***] in the Field in the Territory. 1.14 "BLA" means a Biologics License Application (as defined in the FDCA), including all supplements, amendments, variations, extensions and renewals thereof. 1.15 "Breaching Party" has the meaning set forth in Section 11.4. 1.16 "Business Day" means a day other than Saturday, Sunday or any other day on which commercial banks located in the State of New York or the State of Washington, U.S., are authorized or obligated by Applicable Law to close. 1.17 "Calendar Quarter" means the respective periods of three (3) consecutive calendar months ending on March 31, June 30, September 30 and December 31; provided, however, that (a) the first Calendar Quarter of the Term shall extend from the Effective Date to the end of the first complete Calendar Quarter thereafter; and (b) the last Calendar Quarter of the Term shall end upon the expiration or termination of this Agreement. 1.18 "Calendar Year" means the twelve-month period ending on December 31; provided, however, that (a) the first Calendar Year of the Term shall begin on the Effective Date and end on December 31, 2019; and (b) the last Calendar Year of the Term shall end on the effective date of expiration or termination of this Agreement. 1.19 "Change of Control" means, with respect to Vyera, (a) the sale of all or substantially all of its assets; (b) any merger, consolidation or acquisition of Vyera, by or into another Person; and/or (c) any change in the ownership of more than fifty percent (50%) of the voting capital stock of Vyera or its direct or indirect parent entities, other than: (i) transactions involving solely Vyera (or an Affiliate, as applicable) and/or one or more Affiliates, on the one hand, and one or more of Vyera's (or an Affiliate's, as applicable) Affiliates, on the other hand, and/or (ii) transactions in which the stockholders of Vyera (or an Affiliate, as applicable) immediately prior to such transaction hold at least fifty percent (50%) of the voting power of the surviving company or ultimate parent company of the surviving company; in each of clauses (a)-(c), in one or more related transactions. Source: CYTODYN INC., 10-Q, 1/9/2020 1.20 "Claim" has the meaning set forth in Section 13.1. 1.21 "Clinical Trial" means any human clinical study or trial of a Licensed Product in the Field in the Territory. 1.22 "Combination Product" means a product that is Commercialized by Vyera and/or its Affiliates under this Agreement and that comprises, consists of, or incorporates two or more APIs (whether administered together or separately), which includes leronlimab as one of the APIs together with one or more additional APIs that: (a) are not leronlimab; and (b) are not proprietary to CytoDyn, regardless of the formulation or mode of administration of such Combination Product. For the sake of clarity, a Combination Product is a Licensed Product. 1.23 "Commercial Failure" means that Vyera fails to achieve aggregate [***]. 1.24 "Commercialization" means any and all pre-launch, launch and post-launch activities related to the marketing, promoting, distributing (to Third Parties), offering for sale and selling a Licensed Product in the Field in the Territory. For clarity, Commercialization does not include Development and/or Manufacturing of a Licensed Product. When used as a verb, "Commercialize" means to engage in Commercialization. 1.25 "Commercialization Plan" has the meaning set forth in Section 5.2. 1.26 "Commercially Reasonable Efforts" means: (a) with respect to the efforts to be expended, or considerations to be undertaken, by a Party or its Affiliate with respect to any objective, activity or decision to be undertaken hereunder, reasonable, good faith efforts to accomplish such objective, activity or decision as such Party would normally use to accomplish a similar objective, activity or decision under similar circumstances; and (b) with respect to Development and Commercialization of any Licensed Product for any indication by a Party, efforts and resources consistent with those efforts and resources commonly used by a similarly situated biotechnology company with respect to a product owned by it or to which it has similar rights, which product is at
"""

Extract the exact clause related to "Competitive Restriction Exception" from the excerpt above.

assistant: Not found.