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 other words.
Options:
(a) CSc1nc(NC(C)C)nc(NC(C)C)n1
(b) CC12CC=CCC1C(=O)OC2=O
(c) CN(C)CCOc1ccccc1Cc1ccccc1
(d) O=C(O)C(c1ccccc1)c1ccccc1
(e) CCN(CC)C(=O)c1cc(=O)c2ccccc2o1
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}