Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (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) NC(=O)CCCN=C(c1ccc(Cl)cc1)c1cc(F)ccc1O
(b) Cc1cnc(C)cn1
(c) CN(C)CCCN1c2ccccc2CCc2ccc(Cl)cc21
(d) O=C(Cc1ccc2c(c1)OCc1ccccc1C2=O)OCC(O)CO
(e) O=C1C2CC=CCC2C(=O)N1SC(Cl)(Cl)Cl
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}