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 other words.
Options:
a O=C(C=CC(=O)OCCCl)OCCCl
b C=C(OP(=O)(OC)OC)P(=O)(OC)OC
c CC(NCCNC(C)c1ccccc1)c1ccccc1
d N#CCCOCCOCCO
e C=COCCO
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}