Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, or d without using any other words.
Options:
(a) CC(c1ccccc1)c1ccccc1CCl
(b) CC(C(=O)O)c1ccc(-c2cn3ccccc3n2)cc1
(c) Cc1cnc(C)c(C)n1
(d) CN(c1ccc2c(O)c(N=Nc3ccc4c(S(=O)(=O)O)cccc4c3S(=O)(=O)O)c(S(=O)(=O)O)cc2c1)c1nc(Cl)nc(Cl)n1
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}