[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C][C][C][C][C][C][C][C][C][C@@H1][C][C][=Branch1][C][=O][N][C@H1][Branch2][Branch2][C][C][=Branch1][C][=O][N][C@@H1][Branch2][=Branch1][=N][C][=Branch1][C][=O][N][C@H1][Branch2][Branch1][=C][C][=Branch1][C][=O][N][C@H1][Branch2][Ring2][=C][C][=Branch1][C][=O][N][C@H1][Branch2][Ring2][Ring1][C][=Branch1][C][=O][N][C@H1][Branch2][Ring1][Ring2][C][=Branch1][C][=O][N][C][C][C][C@H1][Ring1][Branch1][C][=Branch1][C][=O][N][Ring2][Ring2][Ring2][C][C][=Branch1][C][=O][N][C][O][C][C][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][N][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][C][=Branch1][C][=O][N]"}, {"from": "gpt", "value": "The molecule is a homodetic cyclic peptide containing L-Pro, D-Tyr, L-Ser, L-Asn and L-Gln as the amino acid residues. Isolated from an endophytic fungus, Epichloe typhina, it exhibits inhibitory activity toward the spore germination of Cladosporium phlei, a pathogenic fungus of the timothy plant. It has a role as an antifungal agent and a fungal metabolite. It is a homodetic cyclic peptide and a macrocycle."}]