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:
"""
which MOXATAG is approved for treatment but excluding MOXATAG Labeling. (w) "Promotional Measurement Period" means that month during which prescription activity for MOXATAG is measured. (x) "Territory" shall mean the US, including all US territories, possessions and protectorates. (y) "Up-Front Payment" means the one-time payment of $50,000 to be made by MBRK to DD upon execution of this Agreement. Section 2 — Term This Agreement shall commence as of the Effective Date and shall continue in full force and effect for an initial term of three (3) years from the Promotion Commencement Date, divided into three one-year periods. Unless terminated in accordance with the provisions of Section 18, this Agreement shall automatically renew for each subsequent one-year term. Section 3 — Obligations of DD 3.1 DD will promote MOXATAG to DD Target Segment Prescribers using its full suite of promotion solutions where DD and MBRK deem appropriate, including but not limited to DD's a) eSampling Platform, b) eLearning / eDetailing, c) Educational Email, d) Direct-to-Physician Bulletin Services, e) Physician Portal Promotions, f) Patient Portal Promotions, g) Direct Mail Advertising, h) Coupon Promotions, i) Consumer Condition Content, j) Search Engine Marketing and k) Mini Web Site Promotions where appropriate and with prior written approval from MBRK. MBRK shall have final approval as to the promotion solutions utilized by DD in the promotion of MOXATAG and DD will not deploy any promotion solution without such approval from MBRK. Such promotion solutions are as listed in EXHIBIT 4. In the event that the Parties mutually agree on the provision of additional services beyond those listed in EXHIBIT 4, such additional promotional solutions shall be approved by MBRK and additional Appendices numbered sequentially (1, 2, 3, 4 etc.) setting forth in detail the additional services shall be duly signed by authorized representatives of the Parties and attached to EXHIBIT 4 and incorporated herein. The services contained in EXHIBIT 4 and any related modifications thereto represent those services that are reasonably necessary to accomplish the promotion of MOXATAG. No services shall be provided by DD, or paid for by MBRK, except as agreed to in writing by the Parties. 3.2. Notwithstanding any other provision of this Agreement, all Promotional Materials relating to MOXATAG that will be utilized by DD, as well as the use and placement of such Promotional Materials, are subject to written approval by MBRK prior to such use. DD agrees to provide draft and final versions of all Promotional Materials to MBRK for MBRK's review and approval prior to DD's use of such Promotional Materials, provided such materials are developed or modified by DD. MBRK has the authority to perform the final review of all Promotional Materials developed by DD. All Promotional Materials are subject to MBRK's legal, medical and regulatory review and approval process. DD agrees to make all the necessary changes and/or modifications requested by MBRK. DD shall not use Promotional Materials for any purpose outside of this Agreement without prior written authorization from MBRK. 3.3. Notwithstanding any other provision of this Agreement, all MOXATAG sample request forms (hereinafter "Sample Request Forms") utilized by DD to document a prescriber's request for MOXATAG samples are subject to written approval by MBRK. DD agrees to provide draft and final versions of all Sample Request Forms to MBRK for MBRK's review and approval prior to DD's use of such Sample Request Forms. MBRK has the authority to perform the final review of all Sample Request Forms developed by DD or used in conjunct. All Sample Request Forms are subject to MBRK's legal, medical and regulatory review and approval process. DD agrees to make all the necessary changes and/or modifications requested by MBRK. DD shall not use Sample Request Forms for any purpose outside of this Agreement without prior written authorization from MBRK. 3.4. Notwithstanding any other provision of this Agreement, DD shall not offer or provide any item to a DD Target Segment Prescriber, without prior written approval by MBRK. The provision of any items shall be subject to MBRK's legal, medical and regulatory review and approval process. In the event that MBRK authorizes the provision of items of nominal value to a DD Target Segment Prescriber, DD shall track and record the item provided, the associated value, the date of the transaction, and the recipient DD Target Segment Prescriber, including his or her credentials and the state in which he or she is licensed, where possible. 3.5 DD shall use commercially reasonable efforts to promote MOXATAG to DD Target Segment Prescribers and
"""

Extract the exact clause related to "Non-Transferable License" from the excerpt above.

assistant: Not found.