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] Fc1ccc2c(C3NCCCC3F)c(-c3ccccc3)[nH]c2c1
[b] C[C@@H](NC(=O)Cc1ccc(-c2cnn3ncccc23)cc1)c1ccc(OCC(F)(F)F)cn1
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}
6-fluoranyl-3-(3-fluoranylpiperidin-2-yl)-2-phenyl-1H-indole