Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
a) C=C1C(=CC=C2CCCC3(C)C2CCC3C(C)C=CC(C)C(C)C)CC(O)CC1O
b) CC(C)NNC(=O)c1ccncc1
c) CCOC(=O)COP(=S)(OCC)OCC
d) O=CC=O
e) CCCCCCCC=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}