Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, c, or d without using any additional words.
Options:
a) CC(Oc1ccc(Cl)cc1Cl)C(=O)O
b) Cc1cc(C)c(C)c(C)c1
c) CNC(=O)N(C)c1nnc(C(F)(F)F)s1
d) C#CC(C)(C)NC(=O)C=Cc1cc(OC)c(OC)c(OC)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}