Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
(a) CCC(C)(C)OC(=O)Nc1ccco1
(b) CN(c1nc2ccccc2s1)C1CCN(CCCCOc2ccc(F)cc2)CC1
(c) c1ccc(COCc2ccccc2)cc1
(d) C=CC(OC(C)=O)OC(C)=O
(e) C=CCNP(=O)(OC=C(Cl)Cl)OCCCl
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}