1. Department of Chemistry and Chemical Biology, Graduate School of Engineering, Gunma University, 1-5-1 Tenjincho, Kiryu, Gunma 376-8515, Japan
2. Department of Biomolecular Engineering, Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8501, Japan
3. Chemical Resources Laboratory, Tokyo Insitute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kangawa 226-8503, Japan
4. National Institute for Materials Science, 3-13 Sakura, Tsukuba, Ibaraki 305-0003, Japan