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: COc1ccc([C@H]2CN(CCc3ccc(OC)c(OC)c3)C[C@@H]2CCc2cc3ccc(Cl)cc3[nH]2)cc1
b: O=C(O)c1ccc(NC(=O)[C@H](C2CCCCC2)n2c(-c3ccc(Cl)cc3)nc3cc(F)c(F)cc32)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}
6-chloro-2-[2-[(3R,4S)-1-[2-(3,4-dimethoxyphenyl)ethyl]-4-(4-methoxyphenyl)pyrrolidin-3-yl]ethyl]-1H-indole