1. Department of Molecular and Quantum Biophysics, Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine, 150 Zabolotny Street, Kyiv-143, 03143, Ukraine, School of Chemistry, University of St Andrews, North Haugh, St. Andrews, Fife, KY16 9ST, Scotland, U.K., and Department of Knowledge-based Information Engineering, Toyohashi University of Technology, Tempaku-cho, Toyohashi 441-8580, Japan