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, or c without using any other words.
Options:
a) CC[N+]1(C)CCCC(OC(=O)C([O-])(c2ccccc2)c2ccccc2)C1
b) CN1CCN=C(c2ccccc2)c2cc(Cl)ccc21
c) CCC(C)NP1(=S)OCc2cc([N+](=O)[O-])ccc2O1
Answer: b
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}