Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, or d without using any additional words.
Options:
a) CCSC(C)CC1CC(=O)C(C(=O)CC)C(=O)C1
b) CCOc1ccccc1N1CCN(CC=Cc2ccc3c(c2)CCC(=O)N3)CC1
c) CCNCCO
d) Cc1cc(=O)oc2cc(O)ccc12
Answer: c
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}