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, c, or d without using any other words.
Options:
(a) Cc1cc(=O)nc(SCc2ccccc2N(C)C)[nH]1
(b) CC(C)CC(C)CC(O)CC(C)C
(c) CC(=O)OC1c2cccc(O)c2C(=O)c2c(O)cccc21
(d) OCC(CO)NC1CC(O)(CO)C(O)C(O)C1O
Answer: b
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}