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, or c without using any additional words.
Options:
(a) CC(C)S(=O)(=O)N[C@H]1CN(C)C[C@@H]1c1ccc(-c2cccc(C(F)(F)F)c2)cc1
(b) CC(=O)Nc1ccc(-c2nc(NCc3ccccn3)c3c(-c4ccccc4)cccc3n2)cn1
(c) O=C(Nc1ccc(-c2nnc(NCCCCN3CCCCC3)o2)cc1)c1ccccc1F
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}
N-[(3R,4S)-1-methyl-4-[4-[3-(trifluoromethyl)phenyl]phenyl]pyrrolidin-3-yl]propane-2-sulfonamide