Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are uncertain, you must pick either a, b, c, or d without using any additional words.
Options:
a.) NS(=O)(=O)c1cc(Cl)c(Cl)c(S(N)(=O)=O)c1
b.) CCC(C)NCC(O)c1ccc(N)cc1
c.) C=CCOc1ccccc1C(N)=O
d.) C=CCn1c(=O)n(CC=C)c(=O)n(CC=C)c1=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}