[{"from": "human", "value": "Could you provide a description of this molecule? [C][=C][C][=Branch1][P][=C][C][=C][Ring1][=Branch1][/C][=C][Branch1][Ring1][\\C][#N][/C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is a monohydroxycinnamic acid that is 4-hydroxycinnamic acid in which the hydrogen alpha- to the carboxy group is replaced by a cyano group. It is used as a matrix in matrix-assisted laser desorption/ionization (MALDI) mass spectrometry for the analysis of peptides and oligonucleotides. It has a role as a MALDI matrix material. It is a nitrile, a member of phenols and a monohydroxycinnamic acid."}]