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, or c without using any other words.
Options:
a.) C=CCOc1ccccc1C(=O)N(C)C
b.) O=C(O)Cc1cc(I)c(Oc2cc(I)c(O)c(I)c2)c(I)c1
c.) CCCOC(=O)Cc1ccc(OCC(=O)N(CC)CC)c(OC)c1
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}