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, d, or e without using any additional words.
Options:
a C=C(OP(=O)(OC)OC)P(=O)(OC)OC
b c1ccc2scnc2c1
c CCOCCOCCO
d c1ccc2cc(Nc3ccc(Nc4ccc5ccccc5c4)cc3)ccc2c1
e CC(C)=CC1C(C(=O)OCc2coc(Cc3ccccc3)c2)C1(C)C
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}