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 CCNc1nc(NC(C)CC)nc(OC)n1
b CC1CN1P(=O)(N1CC1C)N1CC1C
c OCC(O)C1OC2OC(C(Cl)(Cl)Cl)OC2C1O
d COCCCNc1nc(NCCCOC)nc(SC)n1
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}