WURCS=2.0/3,3,2/[uxxxxm_2*NCC/3=O][uxxxxA_2*NCC/3=O_3*N_6*N][uxxxxA_2*N]/1-2-3/a?|b?|c?}-{a?|b?|c?_a?|b?|c?}-{a?|b?|c?