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 or b without using any additional words.
Options:
a.) Cc1cc2ncc(C(=O)NCC(C)(C)NCC(=O)N3CCC[C@H]3C#N)cn2n1
b.) Clc1ccc(-c2c[nH]c([C@H]3Cc4c([nH]c5ccccc45)[C@@H](C4CCOCC4)N3)n2)s1
Answer: 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}
(1R,3R)-3-[4-(5-chloranylthiophen-2-yl)-1H-imidazol-2-yl]-1-(oxan-4-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole