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, d, or e without using any other words.
Options:
a CCOP(=O)(OCC)SCCC(F)=C(F)F
b CNC(=O)ON=C1SCSC1(C)C
c CCCOP(=O)(OC=C(Cl)Cl)OCCCl
d CCCSCSP(=S)(OCC)OCC
e OCC=CCl
Answer: d
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}