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 additional words.
Options:
a: OCC1OC(N2CCN(C3OC(CO)C(O)C(O)C3O)CC2)C(O)C(O)C1O
b: CN1CCCC1=O
c: Ic1nc(I)c(I)[nH]1
d: CCOP(=O)(OCC)SCS(=O)CC
e: Cc1c(Cl)c(Cl)c(Cl)c2[nH]c(C(F)(F)F)nc12
Answer: b
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}