Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any other words.
Options:
a) c1cc(OCC2CO2)cc(OCC2CO2)c1
b) COc1ccc(C=CC(=O)Nc2ccccc2C(=O)O)cc1OC
c) COP(=O)(SC)SC
d) CCOC(C1=NCC(C)(C)N1)c1ccccc1
e) CNC(=C[N+](=O)[O-])NCCSCc1ccc(CN(C)C)o1
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecule has the highest {acute_toxicity__names__noun}?
Constraint: Even if you are {#uncertain|not sure!}, you must pick either {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%acute_toxicity%}
Answer: {%multiple_choice_result}