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:
"""
292 Miscanthus [***] [***] [***] no MTA [***] [***] No longer retained. 293 Mb 293 Miscanthus [***] [***] [***] unclear [***] [***] List of Donated Accessions 294 Mb 294 Miscanthus [***] [***] [***] unclear [***] [***] 295 Mb 295 Miscanthus [***] [***] [***] unclear [***] [***] 296 Mb 296 Miscanthus [***] [***] [***] none [***] [***] [***] 297 Mb 297 Miscanthus [***] [***] [***] none [***] [***] [***] 298 Mb 298 Miscanthus [***] [***] [***] none [***] [***] 299 Mb 299 Miscanthus [***] [***] [***] none [***] [***] 300 Mb 300 Miscanthus [***] [***] [***] none [***] [***] 301 Mb 301 Miscanthus [***] [***] [***] none [***] [***] 302 Mb 302 Miscanthus [***] [***] [***] none [***] [***] 303 Mb 303 Miscanthus [***] [***] [***] none [***] [***] 304 Mb 304 Miscanthus [***] [***] [***] none [***] [***] No longer retained. 305 Mb 305 Miscanthus [***] [***] [***] no MTA [***] [***] Mix of accessions 306 Mb 306 Miscanthus [***] [***] [***] no MTA [***] [***] Mix of accessions 307 Mb 307 Miscanthus [***] [***] [***] under MTA [***] [***] 308 Mb 308 Miscanthus [***] [***] [***] under MTA [***] [***] 309 Mb 309 Miscanthus [***] [***] [***] under MTA [***] [***] 310 Mb 310 Miscanthus [***] [***] [***] under MTA [***] [***] 311 Mb 311 Miscanthus [***] [***] [***] no MTA [***] [***] 312 Mb 312 Miscanthus [***] [***] [***] none [***] [***] [***] 313 Mb 313 Miscanthus [***] [***] [***] none [***] [***] [***] 314 Mb 314 Miscanthus [***] [***] [***] none [***] [***] 315 Mb 315 Miscanthus [***] [***] [***] none [***] [***] 316 Mb 316 Miscanthus [***] [***] [***] none [***] [***] 317 Mb 317 Miscanthus [***] [***] [***] none [***] [***] [***] 318 Mb 318 Miscanthus [***] [***] [***] none [***] [***] [***] 319 Mb 319 Miscanthus [***] [***] [***] none [***] [***] 320 Mb 320 Miscanthus [***] [***] [***] under MTA [***] [***] 321 Mb 321 Miscanthus [***] [***] [***] none [***] [***] No longer retained. 322 Mb 322 Miscanthus [***] [***] [***] under MTA [***] [***] No longer retained. 323 Mb 323 Miscanthus [***] [***] [***] under MTA [***] [***] 324 Mb 324 Miscanthus [***] [***] [***] under MTA [***] [***] 325 Mb 325 Miscanthus [***] [***] [***] no MTA [***] [***] [***] 326 Mb 326 Miscanthus [***] [***] [***] no MTA [***] [***] [***] 327 Mb 327 Miscanthus [***] [***] [***] no MTA [***] [***] [***] 328 Mb 328 Miscanthus [***] [***] [***] no MTA [***] [***] [***] 329 Mb 329 Miscanthus [***] [***] [***] no MTA [***] [***] [***] 330 Mb 330 Miscanthus [***] [***] [***] no MTA [***] [***] [***] No longer retained. Page 4 Confidential Treatment Requested and the Redacted Material has been separately filed with the Commission 331 Mb 331 Miscanthus [***] [***] [***] none [***] [***] 332 Mb 332 Miscanthus [***] [***] [***] none [***] [***] 333 Mb 333 Miscanthus [***] [***] [***] none [***] [***] 334 Mb 334 Miscanthus [***] [***] [***] none [***] [***] 335 Mb 335 Miscanthus [***] [***] [***] none [***] [***] Pages where confidential treatment has been requested are stamped 'Confidential Treatment Requested and the Redacted Material has been separately filed with the Commission,' and the confidential section has been marked as follows: [***]. AMENDMENT I to SCHEDULE 1 between CERES, INC. and INSTITUTE OF GRASSLAND AND ENVIRONMENTAL RESEARCH dated April 1, 2007 (the "Schedule"). Made in two (2) copies. Page 1 of 3 1. The Parties agree to replace the suggested Year 1 (April 1 to March 31) milestones in Attachment B of the Schedule in their entirety by the Ceres-IGER Milestones — Year 1, as attached hereto. For clarity, no change is made to pages 1 and 2 of such Attachment B. Any changes to the suggested Year 2 and Year 3 milestones will be addressed in separate amendments to the Schedule. 2. The Parties agree that this Amendment I is effective as of January 1, 2008. 3. For the remainder, the Schedule remains unchanged and this Amendment I shall form an integral part thereof. INSTITUTE OF GRASSLAND AND ENVIRONMENTAL RESEARCH CERES, INC. By: /s/ M Humphreys By: /s/ Peter Mascia Name: Professor Mervyn Humphreys Name: Peter Mascia Title: Director Title: Vice President of Product Development By: /s/ Richard Flavell Name: Richard Flavell, CBE, FRS Title: Chief Scientific Officer Ceres-IGER Milestones — Year 1 Page 2 of 3 Confidential Treatment Requested and the Redacted Material has been separately filed with the Commission Contract Year (April 1 - March 31) Schedule
"""

Extract the exact clause related to "Parties" from the excerpt above.

assistant: CERES, INC.