1. Institute for Protein Research, Osaka University, Suita 565-0871, Japan; Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka 560-8531, Japan; Institute for Chemical Research, Kyoto University, Kyoto 611-0011, Japan; Institute for Laser Technology, Suita 565-0871, Japan; CREST, Japan Science and Technology Agency, Kawaguchi 332-0012, Japan