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, or d without using any additional words.
Options:
(a) Cc1cc(C(C)(C)C)c(O)c(C(C)(C)C)c1
(b) c1ccc2c(c1)Cc1ccccc1N2
(c) CC(=O)c1ccc(C(O)C(CO)NC(=O)C(Cl)Cl)cc1
(d) COc1ccc(C=CC(=O)OCCC(C)C)cc1
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}