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(C2CN(CCc3ccc(OC)c(OC)c3)CC2Cc2nc3ccc(Cl)cc3[nH]2)cc1
b. C[C@@H]1C[C@H]2[C@@H]3CCC4=CC(=O)C=C[C@]4(C)C3=CC[C@]2(C)[C@@]1(O)C(=O)CO
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-chloranyl-2-[[1-[2-(3,4-dimethoxyphenyl)ethyl]-4-(4-methoxyphenyl)pyrrolidin-3-yl]methyl]-1H-benzimidazole