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) COc1c(C)c2c(c(O)c1CC=C(C)CCC(=O)O)C(=O)OC2
b) CN1CCOCC1
c) CC(C)CC(=O)CC(C)C
d) CC(C)(C)c1ccc2[nH]c(C(F)(F)F)nc2c1
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}