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 other words.
Options:
a CCCNC(=O)NS(=O)(=O)c1ccc(Cl)cc1
b CC(=O)OCC(C)c1ccccc1
c CCOc1ccc(Cl)cc1C(CN(C)C)C(C)CC
d CC(C)CCCCCOC(=O)CCCOc1ccc(Cl)cc1Cl
e CCC(C)=C1C(=O)N(c2ccccc2)N(c2ccccc2)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}