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, or d without using any other words.
Options:
a) CCOCC(O)(c1ccc(Cl)cc1)c1ccc(Cl)cc1
b) C1CC2OC2CC1C1CO1
c) CCCCCCCCCCCCCCCCCC1=NCCN1
d) Nc1c(I)cc(I)c(C(=O)N(CCC(=O)O)c2ccccc2)c1I
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}