Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the use in the prospectus constituting a part of this Registration Statement on Form S-1 our reports dated February 24, 2021 and May 14, 2021 relating to the financial statements of CM Life Sciences II Inc. which is contained in that prospectus, and to the references to our Firm under the caption “Experts” in the prospectus.

/s/ WithumSmith+Brown, PC

New York, New York

October 1, 2021