Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, or d without using any other words.
Options:
a. CC1(C)CC(N)CC(C)(C)N1
b. CNC(=O)ON=C(C)C(C)SC
c. CCOP(=O)(OCC)SC(Cl)=CCl
d. Cc1cc(=NC(=O)c2ccccc2O)n(-c2ccccc2)n1C
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}