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. CC(C)(C)c1cc(C(=O)O)cc(C(C)(C)C)c1O
b. O=C(CF)NC(=O)Nc1ccccc1
c. Cc1cc(Cl)ccc1OC(C)C(=O)N(C)C
d. Cc1onc2c(=O)n(C)nc(-c3ccccc3)c12
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}