Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a Cc1cc(Cl)ccc1OC(C)C(=O)O
b CN(C)C=Nc1c(I)cc(I)c(CCC(=O)O)c1I
c CCN(CC)C(=O)c1ccc(O)c(OC)c1
d CCCCCCCCCCCCOC(=O)c1cc(O)c(O)c(O)c1
e CCN(Cc1ccccc1)N=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}