SP(=O)(OCC1OC(CC1OP(S)(=O)OCC2OC(CC2OP(S)(=O)OCC3OC(CC3O)N4C=NC5=C4N=C(N)NC5=O)N6C=CC(N)=NC6=O)N7C=NC8=C7N=C(N)NC8=O)OC9CC(OC9COP(S)(=O)OC%10CC(OC%10COP(S)(=O)OC%11CC(OC%11COP(S)(=O)OC%12CC(OC%12COP(S)(=O)OC%13CC(OC%13COP(S)(=O)OC%14CC(OC%14COP(S)(=O)O)N%15C=C(C)C(=O)NC%15=O)N%16C=NC%17=C%16N=C(N)NC%17=O)N%18C=NC%19=C%18N=C(N)NC%19=O)N%20C=C(C)C(=O)NC%20=O)N%21C=NC%22=C%21N=C(N)NC%22=O)N%23C=NC%24=C%23N=C(N)NC%24=O