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, d, or e without using any additional words.
Options:
(a) O=C1CC(c2cccc(Br)c2)C(=O)N1
(b) CC(C)CC(=O)O
(c) CN1CSC(=S)N(C)C1
(d) O=C1c2cccc(S(=O)(=O)O)c2C(=O)c2c1cccc2S(=O)(=O)O
(e) FC(F)(F)c1nc2c(Br)c(Cl)c(Br)cc2[nH]1
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}