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, d, or e without using any additional words.
Options:
a. CC(C)CCCCCCCCCCOC(=O)c1ccccc1C(=O)OCCCCCCCCCCC(C)C
b. N#CC(OC1OC(CO)C(O)C(O)C1O)c1ccccc1
c. CCOP(=S)(Oc1cnn(C)c(=O)c1Cl)OC(C)C
d. CCCN(CCC)c1c([N+](=O)[O-])cc(S(=O)(=O)N=S(C)C)cc1[N+](=O)[O-]
e. O=c1c2ccccc2c(=O)c2c1ccc1[nH]c3c(ccc4c(=O)c5ccccc5c(=O)c43)[nH]c12
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}