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, or d without using any other words.
Options:
(a) CNCCCC12CCC(c3ccccc31)c1ccccc12
(b) Cc1ccc(C)c(C#N)c1
(c) CC(C)c1cccc(C(C)C)c1N=C=O
(d) CN1CCCCC1CCN1c2ccccc2Sc2ccc(S(C)=O)cc21
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}