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, c, d, or e without using any additional words.
Options:
(a) S=C(Cl)Cl
(b) O=C(OCC=Cc1ccccc1)c1ccccc1
(c) CCCCOC(=O)C1OC1C
(d) C=CCN(CC=C)C(=O)CCl
(e) COc1ccccc1OCCOC(=O)c1ccccc1OC(C)=O
Answer: c
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}