Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (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) CCN(C)CCC(CC=C(C)C)(C(N)=O)c1cccc2ccccc12
b) CCCCNC(=O)c1ccccc1
c) ClC1=C(Cl)C2(Cl)C3C(Br)C=CC3C1(Cl)C2(Cl)Cl
d) CC(=O)Oc1c(C(C)(C)C)cc([N+](=O)[O-])c(C)c1[N+](=O)[O-]
e) COP(=S)(OC)SCSc1cccc(Cl)c1Cl
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}