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.) CCOP(=S)(OCC)SCS(=O)(=O)CC
b.) COc1cc(Cc2cnc(N)nc2N)cc(OC)c1OC
c.) Cc1ccc2c(c1)CC(=O)c1cc(C(C)C(=O)O)ccc1O2
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}