Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are uncertain, you must pick either a, b, c, or d without using any other words.
Options:
a.) Clc1ccc(C(Cn2ccnc2)OCc2ccsc2Cl)c(Cl)c1
b.) C1CC2OC2CC1C1CO1
c.) Clc1nc(Cl)nc(Cl)n1
d.) OC1(c2ccc(Cl)c(Cl)c2)c2ccccc2C2=NCCN21
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}