Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, or d without using any additional words.
Options:
a. CCP(=S)(OCCCl)Oc1ccc(C#N)cc1
b. CNC(=O)Sc1ccc(OS(C)(=O)=O)cc1
c. CC(=O)c1ccc(C(O)C(CO)NC(=O)C(Cl)Cl)cc1
d. CNC(=S)NNc1cc(C(F)(F)F)cc(C(F)(F)F)c1
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}