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) COP(=S)(OC)OC(=CCl)c1ccc(Cl)cc1Cl
b) CC(=O)Nc1ccc(N=NN(C)C)cc1
c) CCC(C)N(C(=O)c1ccc(Cl)c(Cl)c1)C(C)CC
d) ClP(Cl)c1ccccc1
e) Nc1cc(N2CCCCC2)nc(N)[n+]1[O-]
Answer: a
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}