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 CCn1nc(Cc2ccc(OC(C)C)cc2)cc1C1CCN(CC2CN([C@@H](C(=O)O)C(C)(C)C)C[C@@H]2c2cccc(F)c2)CC1
b O=S(=O)(NCCN1CC2CN(CCc3ccccc3)CC(C1)O2)c1ccc(F)cc1
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}
(2R)-2-[(4S)-3-[[4-[2-ethyl-5-[(4-propan-2-yloxyphenyl)methyl]pyrazol-3-yl]piperidin-1-yl]methyl]-4-(3-fluorophenyl)pyrrolidin-1-yl]-3,3-dimethyl-butanoicacid