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) CCCCNc1nccc2[nH]c3ccccc3c12
(b) CC(=O)Nc1cccc(C2CCN(Cc3ccc(C(=O)c4nc(C)c(C)n4-c4ccc(F)cc4)cc3)CC2)c1
(c) COc1cc(F)ccc1-c1cncc(CNCC2CC2)n1
(d) CCOC(=O)C1=C(CN2CCO[C@H](CCC(=O)O)C2)NC(c2nccs2)=N[C@H]1c1ccc(F)cc1Br
Answer: a, b, c
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}
1-cyclopropyl-N-[[6-(4-fluoro-2-methoxyphenyl)pyrazin-2-yl]methyl]methanamine