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: Cc1cccc(C(C)c2ccccc2)c1C
b: Nc1c(I)cc(I)c(C(=O)N(CCC(=O)O)c2ccccc2)c1I
c: COc1cccc(C2(O)CCCCC2CN(C)C)c1
d: CCN1CC2CN(C)CC(C1)C2OC(=O)c1ccc(Cl)cc1
e: CCN1CCCC1CNS(=O)(=O)c1cc(Cl)c(N)cc1OC
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}