Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, or d without using any additional words.
Options:
a.) CCCCCCCC(=O)Oc1c(I)cc(C#N)cc1I
b.) Cc1cc(O)c(C)c(C)c1O
c.) CN(C)CCNC(=O)C(C)(C)Oc1ccc(Cl)cc1
d.) CCOP(=S)(CC)SCOc1ccc(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}