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, c, d, or e without using any additional words.
Options:
(a) Cc1cc(=O)[nH]c(=S)[nH]1
(b) O=C(SC(=O)c1ccccc1)c1ccccc1
(c) CN(Sc1ccc(F)cc1)C(=O)Oc1cccc2c1OC(C)(C)C2
(d) C=COCC(CC)CCCC
(e) Nc1ccc(Nc2ccccc2)cc1
Answer: d
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}