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, d, or e without using any other words.
Options:
a Cc1nc2n(c(=O)c1CCN1CCC(c3noc4cc(F)ccc34)CC1)CCCC2
b C(Oc1nc(OCC2CO2)nc(OCC2CO2)n1)C1CO1
c Cc1ccccc1NC(=N)Nc1ccccc1C
d COc1ccc(-c2ccccc2)cc1CN1CCCC1
e O=c1c2ccccc2n(-c2cccc(C(F)(F)F)c2)c(=O)n1CCO
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}