Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
(a) OCCN(CCO)c1cccc(Cl)c1
(b) OCc1cccc(Oc2ccccc2)c1
(c) CC(C)c1cc(Oc2ccccc2)cc(C(C)C)c1NC(=S)NC(C)(C)C
(d) c1cc(CC2CO2)c(OCC2CO2)c(CC2CO2)c1
(e) CCCCC(CC)COC(CBr)c1ccccc1
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}