Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, or c without using any additional words.
Options:
a CCS(=O)(=O)Nc1c(C)cc(OC(=O)NC)cc1C
b CCCN(CCC)C(=O)SCc1ccccc1
c CNC(=O)Oc1cc(C(C)C)ccc1C
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}