Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, or c without using any other words.
Options:
a) COc1cc(C(=O)OC2CCC(N3CCCCC3)CC2)cc(OC)c1OC
b) CC(=O)OC1C(O)C2OC3C=C(C)C(=O)C(O)C3(CO)C1(C)C21CO1
c) NC(=O)Nc1cccc2c3c([nH]c12)CCCC3
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}