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. Cc1cccc(S(=O)(=O)N2Cc3ccc(/C=C/C(=O)NO)cc3C2)c1
b. COc1cccc(-c2c[nH]c([C@H]3Cc4c([nH]c5ccccc45)[C@](c4cnn(C)c4)(c4noc(C)n4)N3)n2)n1
c. OC[C@@H](O)CN1CCc2nc(-c3ccc(OC4CC(N5CCCCC5)C4)cc3)sc2C1
Answer: b
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}
3-[(1R,3R)-3-[4-(6-methoxypyridin-2-yl)-1H-imidazol-2-yl]-1-(1-methylpyrazol-4-yl)-2,3,4,9-tetrahydropyrido[3,4-b]indol-1-yl]-5-methyl-1,2,4-oxadiazole