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) CC1=NN(c2ccccc2)C(=O)C1
(b) O=NN1CCSC1
(c) OC(c1ccc(F)cc1)(c1cncnc1)c1ccccc1Cl
(d) Cc1cc(NS(=O)(=O)c2ccc(N)cc2)no1
(e) COc1ccc2c(c1)c(CC(=O)Oc1ccccc1C(=O)O)c(C)n2C(=O)c1ccc(Cl)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}