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:
"""
termination. 10. General. 10.1 Notices. All notices permitted or required under this Agreement ("Notices") shall be in writing and shall be delivered as follows with notice deemed given as indicated (a) by personal delivery when delivered personally; (b) by overnight courier upon written verification of receipt; or (c) by certified or registered mail, return receipt requested, five days after deposit in the mail. All Notices shall be properly addressed as follows, or to such other addresses as may be specified in a Notice given hereunder: If to VNI or VNE: with a copy to: Attn: General Counsel Attn: Michael L. Pillion VerticalNet, Inc. Morgan, Lewis & Bockius, LLP 507 Prudential Road 1701 Market Street Horsham, Pennsylvania 19044 Philadelphia, Pennsylvania 19103 17 If to Converge: Attn: General Counsel Converge, Inc. Four Technology Drive Peabody, MA 01960 10.2 Force Majeure. Except for the obligation to pay monies due, neither party shall be liable hereunder by reason of any failure or delay in the performance of its obligations hereunder (except for the payment of money) on account of strikes, riots, insurrection, fires, flood, storm, explosions, acts of God, war, governmental action, labor conditions, earthquakes, or any other cause which is beyond the control of such party. 10.3 Waiver. An effective waiver under this Agreement must be in writing signed by the party waiving its right. The failure of either party to require performance by the other party of any provision hereof shall not affect the full right to require such performance at any time thereafter; nor shall the waiver by either party of a breach of any provision hereof be taken or held to be a waiver of subsequent breaches of that or any other provision hereof. 10.4 Severability. In the event that any provision of this Agreement shall be unenforceable or invalid under any applicable law or be so held by applicable court decision, such unenforceability or invalidity shall not render this Agreement unenforceable or invalid as a whole, and, in such event, such provision shall be changed and interpreted so as to best accomplish the objectives of such provisions within the limits of applicable law or applicable court decisions. 10.5 Headings. The section headings appearing in this Agreement are inserted only as a matter of convenience and in no way define, limit, construe or describe the scope or extent of such section or in any way affect such section. &sbsp; 10.6 Choice of Law; Waiver of Jury Trial; Limitation of Action. This Agreement and performance under this Agreement shall be governed by the laws of the United States of America and of the Commonwealth of Pennsylvania as applied to agreements entered into and to be performed entirely within Pennsylvania between Pennsylvania residents, excluding its conflicts of law provisions. The United Nations Convention on Contracts for the International Sale of Goods is specifically excluded from application to this Agreement. The parties expressly waive any right to a jury trial regarding disputes related to this Agreement. Unless otherwise provided by local law without the possibility of contractual waiver or limitation, any legal or other action related to this Agreement must be commenced no later than two years from the date on which the cause of action arose. 10.7 No Agency. Nothing contained herein shall be construed as creating any agency, partnership or other form of joint enterprise between the parties or to allow either party to bind the other or incur any obligation on its behalf. 10.8 Counterparts. This Agreement may be executed in one or more counterparts, each of which shall be deemed an original and all of which together shall constitute 18 one and the same instrument. This Agreement shall become binding when any one or more counterparts hereof, individually or taken together, bear the signatures of both parties hereto. For the purposes hereof, a facsimile copy of this Agreement, including the signature pages hereto, shall be deemed an original. 10.9 Assignment. A party may assign this Agreement to any Affiliate. Otherwise, neither party may assign this Agreement without the other party's prior written consent (not to be unreasonably withheld). No transfer of this Agreement by operation of law or change in Control of a party, including, without limitation, by merger, consolidation or sale or other transfer of equity interests, shall be considered an assignment for purposes of this Section 11.9. This Agreement will bind and inure to the benefit of the parties and their respective successors and permitted assigns. 10.10 No Third-Party Beneficiaries. Nothing in this Agreement is intended to
"""

Extract the exact clause related to "Source Code Escrow" from the excerpt above.

assistant: Not found.