1. Department of Chemistry, Imperial College London, Molecular Sciences Research Hub, 82, Wood Lane, London W12 0BZ, U.K.
2. Discovery Chemistry Research and Technologies, Eli Lilly and Company, Windlesham, Surrey GU20 6PH, U.K.
3. Department of Chemical Engineering, Imperial College London, Exhibition Road, South Kensington, London SW7 2AZ, U.K.