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 other words.
Options:
(a) O=C(NC1CC1)c1cn(-c2cccc(-c3cccnc3)c2)c2ncccc2c1=O
(b) CC(=O)N1CCC(C2NC(c3nc(-c4ccccc4)c[nH]3)Cc3c2[nH]c2ccccc32)CC1
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}
1-[4-[3-(4-phenyl-1H-imidazol-2-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indol-1-yl]piperidin-1-yl]ethanone