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, or d without using any other words.
Options:
a) COCCCc1cc(CN(C(=O)[C@H]2CNCC[C@@]2(O)c2ccccc2)C2CC2)cc(OCCOC)c1
b) OC(c1ccccc1)(c1ccccc1)C(c1ccccc1)N1CCOCC1
c) COc1cc(/C=C/c2nc3sc(C)c(C)c3c(=O)[nH]2)ccc1-n1cnc(C)c1
d) Cc1cc(=O)n2nc(N3CCC(c4cc(F)c(F)cc4F)C(N)C3)ccc2n1
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}
(3S,4S)-N-cyclopropyl-N-[[3-(2-methoxyethoxy)-5-(3-methoxypropyl)phenyl]methyl]-4-oxidanyl-4-phenyl-piperidine-3-carboxamide