In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

Earthworms uniquely use the molecule lombricine to react with this molecule. This molecule activates P2X3 and P2X2/3, two receptors that control pain responses, and in conjunction with luciferin this molecule is responsible for the light of fireflies. In the muscular tissue of chordates, this compound donates a group to creatine. In proteins, this molecule, first synthesized by Alexander Todd, is almost always bound by a magnesium cofactor, and large quantities of this molecule are produced via oxidative phosphorylation in the electron transport chain. For 10 points, name this molecule discovered by Karl Lohmann,, the energy currency of the cell.
Science

In a painting by this artist, a man clad in a striped orange outfit seems to be punching the midsecton of a man in a striped blue outfit in a clearing in the woods. The Football Players was created in 1908, a year after he painted some uncomfortable looking officials on a red platform with a woman clad in red and a lion. The large feline appearing in The Representatives of Foreign Powers Coming to Greet the Republic as a Sign of Peace is not unique in his work, as big cats also appear in The Repast of the Lion and Fight Between a Tiger and a Buffalo. In one of his most famous works, a large lion looks down at the titular woman, who has a pitcher and a stringed instrument. FTP, name this French painter of The Snake Charmer, The Dream, and The Sleeping Gypsy.
Fine Arts

The composer of this work created it after abandoning a work about Cinderella, and later commented that he should not have composed it as it paled in comparison to Debussy's Sylvia. The title locale is formed from the tears of the central female character's parents after she is kidnapped by an evil sorcerer, whose enchantment can only be broken by a pledge of fidelity from a prince. That sorcerer tricks the prince into pledging his fidelity to Odile, who is Rothbart's daughter. In most versions, Odette then dies or is condemned to remain away from Siegfried in the form of the titular creature. FTP, name this first ballet by Pyotr Ilyich Tchaikovsky.

Fine Arts