Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
a) CCC1(c2ccccc2)C(=O)NC(=O)NC1=O
b) CCN(CC)P(=O)(c1ccccc1)n1ccnc1
c) COc1ccc2c(c1)Sc1ccccc1N2C1CCCN(C)C1
d) COC(=S)SSC(Cl)(Cl)Cl
e) CCOP(O)(=S)CC
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}