Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (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) CCOC(=O)CCC(=O)CC1(O)C2(Cl)C3(Cl)C4(Cl)C(Cl)(Cl)C5(Cl)C3(Cl)C1(Cl)C5(Cl)C42Cl
b) C=C[Si](C)(C)N[Si](C)(C)C=C
c) O=[N+]([O-])c1ccc2[nH]c(C(F)(F)F)nc2c1
d) O=C(Nc1nc(C(F)(F)F)c(Cl)s1)c1cc(C(F)(F)F)cc(C(F)(F)F)c1
e) NCCCCCCC(=O)O
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}