Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are uncertain, you must pick either a, b, c, or d without using any additional words.
Options:
a O=C1C2CC=CCC2C(=O)N1SC(Cl)(Cl)Cl
b CN(C)C(=O)N(C(=O)c1ccccc1)c1ccc(Cl)c(Cl)c1
c CCc1cnc(C)cn1
d Cc1ccccc1C(C)c1ccccc1
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}