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)N1CCC(Oc2ccc(N3CCN(C(=O)c4ccc(F)cc4F)CC3=O)cc2)CC1.O=CO
(b) c1ccc2c3c([nH]c2c1)[C@@H](C1CCOCC1)N[C@@H](c1nc(-c2ccsc2)c[nH]1)C3
(c) CC1(C)[C@H](Nc2c(C(N)=O)cnn3cc(-c4ccncc4F)cc23)CC[C@]1(C)N
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}
(1R,3R)-1-(oxan-4-yl)-3-(4-thiophen-3-yl-1H-imidazol-2-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole