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:
"""
provides the Services to Customer (excluding any Termination Assistance) following delivery of a notice of termination. N. "Estimated Remaining Value" shall mean the number of calendar months remaining between the Effective Date of Termination and the last day of the Term, multiplied by the greater of (a) the Monthly Base Fee (as defined in Section 8.1 below) plus any other minimum monthly fee set forth in the Fee Schedule; and (b) the average monthly Fees payable by Customer during the three-month period prior to the event giving rise to termination rights under this Agreement. O. "Expenses" shall mean any and all direct, pass through expenses incurred by M&I for any equipment, personnel, postage, supplies, materials, travel, lodging or services of any kind provided to or for Customer under this Agreement; provided that Customer shall not be charged travel and living expenses for M&I employees traveling to and from any site within Milwaukee, Waukesha, Ozaukee and Racine Counties in Wisconsin, in connection with providing any services or training to Customer. P. "Initial Services" shall mean those Services requested by Customer from M&I under this Agreement as of the Effective Date. Q. "Millennium Compliant" shall mean the compliance of the Services with the guidelines established by the Federal Financial Institutions Examination Council ("FFIEC") issued in May, 1997 and any subsequent guidelines issued by the FFIEC or the Federal Regulators (as defined in Section 21.8(A)) in connection with the identification and renovation of issues relating to the data processing of the year 2000. R. "Network" shall mean the data communication lines and related software, data circuits, cabling and equipment which M&I is to install, manage or operate in accordance with the Systems Integration Agreement. S. "Operations Center" shall mean the datacenter used by M&I o provide some of the Services under this Agreement. T. "Performance Standards" shall mean those service levels set forth in Article 9. U. "Proper Instructions" shall mean the manner in which Customer shall provide instructions to M&I, as set forth in Section 3.3 below. V. "Services" shall mean the services, functions and responsibilities described in this Agreement to be performed by M&I during the Term following each Conversion Date. W. "Taxes" shall mean any manufacturers, sales, use, gross receipts, excise, personal property or similar tax or duty assessed by any governmental or quasi-governmental authority upon or as a result of the execution or performance of any service pursuant to this Agreement or materials furnished with respect to this Agreement, except any income, franchise, privilege or like tax on or measured by M&I's net income, capital stock or net worth. X. "Term" shall mean the period commencing on the Effective Date and terminating on the eighth anniversary of the Commencement Date, unless the Agreement is extended in accordance with its provisions. Y. "User Manuals" shall mean the documentation provided by M&I to Customer which describes the features and functionalities of each of the Accounts DP Services (defined in Section 6.2 below), as modified and updated by the customer bulletins distributed by M&I from time to time. 1.3 References. In this Agreement and the schedules and exhibits attached hereto, which are hereby incorporated and deemed a part of this Agreement, references and mention of the word "include" and "including" shall mean "includes, without limitation" and "including, without limitation", as applicable. 1.4 Interpretation. In the event of a conflict between this Agreement and the terms of any exhibits and schedules attached hereto, the terms of the schedules and exhibits shall prevail and control the interpretation of the Agreement and the exhibits and schedules as a single document. 2. TERM 2.1 Initial Term. The initial term of this Agreement shall be the Term, unless extended or earlier terminated in accordance with this Agreement. 2.2 Extensions. Unless this Agreement has been earlier terminated, at least eighteen (18) months prior to the expiration of the Term, M&I shall submit to Customer a written proposal for renewal of this Agreement. Customer will respond to such proposal within six (6) months following receipt and inform M&I in writing whether or not Customer desires to renew this Agreement. If M&I and Customer are unable to agree upon the terms for renewal of this Agreement at least six (6) months prior to the expiration of the Term, then Customer may, at its option, renew this Agreement for one (1) twelve month period at the then-current terms and conditions of this Agreement. Customer shall exercise its option, if at all, by delivering written notice to M&I at least five (5)
"""

Extract the exact clause related to "Covenant Not To Sue" from the excerpt above.