Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a.) COC(=O)[C@H]1[C@@H](OC(=O)c2ccccc2)C[C@H]2CC[C@H]1N2C
b.) O=C(CCCN1CCCCC1)Nc1cc(-c2cncc(F)c2)n[nH]1
c.) C[C@H](NC(=O)Cc1cc(F)cc(F)c1)C(=O)N[C@H](C(=O)OC(C)(C)C)c1ccccc1
d.) Fc1cccc(Cn2cc(NCCN3CCCCC3)nn2)c1
e.) COC(C)(C)C#Cc1cnc2c(c1)[C@]1(COC(N)=N1)c1cc(-c3cccnc3F)ccc1O2
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_blocker%}
Answer: {%multiple_choice_result}
methyl (1R,2R,3S,5R)-3-benzoyloxy-8-methyl-8-azabicyclo[3.2.1]octane-2-carboxylate