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=CC=CCOCCO
b) CC(=O)CCc1c(OC(=O)c2ccccc2)n(-c2ccccc2)n(-c2ccccc2)c1=O
c) Fc1c(Br)c(Cl)c2nc(C(F)(F)F)[nH]c2c1Br
d) CCOP(=O)(OCC)SCCS(=O)CC
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}