[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=C][Branch1][=Branch1][N][=C][N][Ring1][Branch1][C][S][C][C][N][C][=N][C][=C][Branch1][Branch2][C][=Branch1][C][=O][N][Ring1][#Branch1][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][O][Ring1][#Branch1]"}, {"from": "gpt", "value": "The molecule is a 2-aminopyrimidin-4(1H)-one derivative bearing a 1,3-benzodioxol-5-ylmethyl group at the 5-position and with a 4-(5-methyl-(1H)imidazol-4-yl)-3-thiabutyl substituent attached to the 2-amino group. It is a specific histamine H2-receptor antagonist. It has a role as an anti-ulcer drug and a H2-receptor antagonist. It is a member of imidazoles, a pyrimidone and a member of benzodioxoles."}]