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 other words.
Options:
(a) O=c1nc(NC2CCN(Cc3ccc4ccccc4c3)CC2)c2cc(Cl)ccc2n1CC(F)(F)F
(b) O=C(CN1CCN(CCO)CC1)Nc1ccc(-c2cccc3c(=O)cc(N4CCOCC4)oc23)c2sc3ccccc3c12
(c) CC(=O)N1CCO[C@@H](c2nc(-c3ccc(C(=O)Nc4cc(C(F)(F)F)ccn4)cc3F)c3c(N)nccn23)C1
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-4-[[1-(naphthalen-2-ylmethyl)piperidin-4-yl]amino]-1-(2,2,2-trifluoroethyl)quinazolin-2-one