SP(=O)(OCC1OC(CC1OP(S)(=O)OCC2OC(CC2OP(S)(=O)OCC3OC(CC3OP(S)(=O)OCC4OC(CC4O)N5C=NC6=C5N=C(N)NC6=O)N7C=CC(N)=NC7=O)N8C=NC9=C8N=C(N)NC9=O)N%10C=Nc%11c(N)ncnc%10%11)OC%12CC(OC%12COP(S)(=O)OC%13CC(OC%13COP(S)(=O)OC%14CC(OC%14COP(S)(=O)OC%15CC(OC%15COP(S)(=O)OC%16CC(OC%16COP(S)(=O)O)N%17C=NC%18=C%17N=C(N)NC%18=O)N%19C=Nc%20c(N)ncnc%19%20)N%21C=NC%22=C%21N=C(N)NC%22=O)N%23C=C(C)C(=O)NC%23=O)N%24C=NC%25=C%24N=C(N)NC%25=O