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, c, or d without using any other words.
Options:
(a) C[n+]1c(CCCOc2ccccc2Cl)cccc1CCCOc1ccccc1Cl
(b) O=C(O)[C@H]1O[C@H](Oc2cc3oc(-c4ccccc4)cc(=O)c3c(O)c2O)[C@H](O)[C@@H](O)[C@@H]1O
(c) CCOC(=O)C1CCN(C(=N)c2ccc(C(=O)Nc3ccc(Cl)cc3C(=O)Nc3ccc(Cl)cn3)cc2)CC1
(d) COc1ccc(-c2noc(CSc3nnc(C)n3-c3ccc(OC)cc3)n2)cc1
Answer: a, c
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}
ethyl 1-[4-[[4-chloro-2-[(5-chloropyridin-2-yl)carbamoyl]phenyl]carbamoyl]benzenecarboximidoyl]piperidine-4-carboxylate