Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
[a] CCOP(=S)(OCC)Oc1ccc([N+](=O)[O-])c(Cl)c1
[b] O=C(Cn1c(=O)sc2ccc(Cl)cc21)N1CCNCC1
[c] c1ccc2c(c1)Sc1ccccc1N2CC1CN2CCC1CC2
[d] COP(=O)(OC)OC(C)=CC(=O)OCc1ccccc1
[e] CC(C)(C)CCCCCCOC(=O)c1ccccc1C(=O)OCCCCCCC(C)(C)C
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}