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, c, d, or e without using any other words.
Options:
a. C=CCc1ccc(O)c(OC)c1
b. CCOP(=S)(OCC)SCc1nnc(SC)s1
c. CCN(CCO)c1ccccc1
d. CC(C)c1cc(Oc2ccccc2)cc(C(C)C)c1NC(=S)NC(C)(C)C
e. CC(O)CNC(C)(C)Cc1ccccc1
Answer: a
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}