Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, or c without using any additional words.
Options:
(a) Cc1cccc(N=Nc2ccc(N(C)C)cc2)c1
(b) CCOP(=O)(OCC)SCN1C(=O)c2ccccc2C1=O
(c) N#CCCC1(CCC#N)c2ccccc2-c2ccccc21
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}