[H]C1=C([H])C([H])=C(C([H])=C1[H])C1=C([H])C([H])=C2C(=O)N(C([H])=C3C([H])=C(OC([H])([H])[H])C(=O)C1=C23)C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H]