COC(=O)C1C(=CC=C2\C3=C\C4=N\C(=C/C5=C(C)C(CCC(=O)OCCO)=C(N5)\C=C5/N=C(/C=C(\N3)C12C)C(C)=C5CCC(=O)OCCO)\C(C=C)=C4C)C(=O)OC