Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity (LD50 in rats).
Constraint: You must select all options from a, b, c, or d without using any other words.
Options:
a: CSC(C)=NOC(=O)N(C)SN(C)C(=O)ON=C(C)SC
b: C=CC(=O)OCCCC
c: CCN(CC)C(=S)Sc1nc2ccccc2s1
d: O=C(O)Cc1sc(-c2ccccc2)nc1-c1ccc(Cl)cc1
Answer: d
Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest {acute_toxicity__names__noun}.
Constraint: You must select all options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%acute_toxicity%}
Answer: {%multiple_choice_result}