Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
a: Clc1ccc(C(c2ccc(Cl)cc2)C(Cl)Cl)cc1
b: CCCCc1c(OC(=O)C23CC4CC(CC(C4)C2)C3)n(-c2ccccc2)n(-c2ccccc2)c1=O
c: O=C(OCC(O)CO)c1ccccc1Nc1ccnc2cc(Cl)ccc12
d: CCCn1c(=O)c2[nH]c(C)nc2n(CC(C)C)c1=O
e: CC(C(N)=O)(c1ccccc1)c1ccc(N)cc1
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}