Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, or d without using any additional words.
Options:
(a) CN(CC#N)N=O
(b) Fc1c(Cl)c(Br)c2nc(C(F)(F)F)[nH]c2c1Cl
(c) CC(C)CNC(=O)OCC(O)C1COc2ccccc2O1
(d) Fc1cc2[nH]c(C(F)(F)F)nc2c(Br)c1Cl
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}