Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
(a) CCOP(=S)(CC)Sc1ccccc1C
(b) O=[N+]([O-])c1cc(I)c(O)c(I)c1
(c) Nc1ccc(I)cc1
(d) CCCOP(=S)(Oc1cnn(C)c(=O)c1OC)OC(C)C
(e) COP(=S)(OC)Oc1ccc([N+](=O)[O-])c(C(F)(F)F)c1
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}