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.) Cc1cccc(C#N)c1C
b.) CCN(C)CCC(CC=C(C)C)(C(N)=O)c1cccc2ccccc12
c.) NC(=O)C1c2ccccc2CCc2ccccc21
d.) COP(=O)(OC)OC(=C(Br)Br)c1ccc(Cl)cc1Cl
Answer: a
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}