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 additional words.
Options:
a CCC(C(=O)O)c1ccc(N2Cc3ccccc3C2=O)cc1
b CCOP(=S)(OCC)SC1CCSC1
c CCN1CCCC1CNS(=O)(=O)c1cc(Cl)c(N)cc1OC
d CC(C)Nc1nc(Cl)nc(NC(C)C)n1
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}