EQRx (EQRX) S-4/A Registration of securities issued in business combination transactions (amended)

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-4 Amendment No. 1 of our report dated April 8, 2021, relating to the financial statements of CM Life Sciences III Inc., which is contained in that Prospectus. We also consent the reference to our Firm under the caption “Experts” in the Prospectus.

/s/ WithumSmith+Brown, PC

New York, New York

October 1, 2021