User: I need a chemical with a acute oral toxicity rat LD50 of 747.0 mg/kg.
Assistant: Happy to help Can you provide me with more information?
User: The chemical should have a 20 carbon atoms, 7 oxygen atoms, and a molecular mass of 447.469 g/mol. Could you please only provide me with the SMILES and return no other information?
Assistant: CCOC(=O)OC(C)OC1=C(C(=O)Nc2ccccn2)N(C)S(=O)(=O)c2ccccc21

User: I need a {#drug|compound|chemical!} with a {CATMoS_LD50_mgkg__names__noun} of {CATMoS_LD50_mgkg#} {CATMoS_LD50_mgkg__units}.
Assistant: {#Happy to help!|Sure!|Of course!} Can you provide me with more {#constraints|details|information!}?
User: The {#drug|compound|chemical!} should have a {num_carbon_atoms#} {num_carbon_atoms__names__noun}, {num_oxygen_atoms#} {num_oxygen_atoms__names__noun}, and a {molecular_mass__names__noun} of {molecular_mass#} {molecular_mass__units}. Could you please only provide me with the {SMILES__description} and return no other information?
Assistant: {SMILES#}

ethyl 1-[[2-methyl-1,1-dioxo-3-(pyridin-2-ylcarbamoyl)-1λ6,2-benzothiazin-4-yl]oxy]ethyl carbonate