Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, or c without using any other words.
Options:
a: CCOC(=O)c1c(C)cc2c(CO)n[nH]c(=O)c2c1C
b: CCCC(C)(Oc1ccc(Cc2ccc(Cl)cc2)cc1)C(=O)OCc1cccnc1
c: O=C(OCC(O)CO)c1ccccc1Nc1ccnc2cc(Cl)ccc12
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}