1. Department of Chemistry and Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Mahidol University, Bangkok 10400, Thailand
2. Chemistry Research Laboratory, Department of Chemistry, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, U.K.
3. Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
4. Science Division, Mahidol University International College, Mahidol University, Salaya 73170, Thailand