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. N=C(N)NN=C1C=CC(=NNC(N)=S)C=C1
b. Oc1c(Br)cc(Cl)cc1Cc1cc(Cl)cc(Br)c1O
c. COc1ccc2c(c1)c(CC(=O)Oc1ccccc1Cl)c(C)n2C(=O)c1ccc(Cl)cc1
d. CC1CN1P(=O)(N1CC1C)N1CC1C
e. CN1Cc2ccccc2C(=O)c2cc(CC(=O)O)ccc21
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}