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, d, or e without using any other words.
Options:
(a) CC(C)(C)NCCC(O)c1cc(C(F)(F)F)nc2c(C(F)(F)F)cccc12
(b) Oc1cc(Cl)c(Br)cc1Cl
(c) CCc1ccccc1C=CC(O)=S
(d) CCCCNC(C)c1ccccc1
(e) CCOP(=O)(OCC)OC(=C(Cl)Cl)c1ccc(Cl)cc1Cl
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}