Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (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) O=Cc1cccs1
(b) O=C(NC1CC1)OCC(O)C1COc2ccccc2O1
(c) O=C1C2CC=CCC2C(=O)N1SC(Cl)(Cl)Cl
(d) Cc1cnc(C)cn1
(e) O=c1nc2[nH]c(=O)[nH]cc-2[nH]1
Answer: d
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}