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, or d without using any additional words.
Options:
a. CN1CCOCC1
b. CN(C)N=Nc1[nH]cnc1C(N)=O
c. ClC(Cl)=C(c1ccc(Cl)cc1)c1ccc(Cl)cc1
d. Cc1ccc(SN(C)C(=O)Oc2cccc3c2OC(C)(C)C3)cc1
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}