Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) CN1CCN(c2cc(Cl)c3nc(Nc4ccc(Br)cn4)[nH]c3c2)CC1
(b) CCCc1cc(-c2cc(C(=O)N(CCN(C)C)Cc3ccccc3)cc(C(F)(F)F)c2)nc(C#N)n1
(c) CCN(C)C(=O)c1ccc([C@H](c2cccc(NC(=O)C3CC3)c2)N2CCN(Cc3nc(C)cs3)CC2)cc1
(d) CC(N(C)C)C1(c2ccc(Cl)c(Cl)c2)CCCCC1.Cl
Answer: a, b
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}
N-(5-bromopyridin-2-yl)-4-chloro-6-(4-methylpiperazin-1-yl)-1H-benzimidazol-2-amine