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: CC(C)CCC=O
b: Clc1ccc(SN=Nc2cc(Cl)c(Cl)cc2Cl)cc1
c: O=C1CCC(=O)O1
d: CCCN(CCC)CCC
e: COP(=O)(OC)OC1=C(Cl)C2C=CCC12
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}