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 additional words.
Options:
(a) CNCc1cc(C#N)ccc1Oc1ccc(Cl)cc1Cl
(b) Fc1ccc(CN2CCC(Oc3ncnc4c3ccn4Cc3ccccc3)CC2)nc1
(c) Fc1cccc(-n2cc(NCCN3CCCOCC3)nn2)c1
(d) N#C[C@H]1CN(C(=O)C[C@H](N)Cc2cc(F)c(F)cc2F)C[C@H]1F
Answer: a, 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}
7-benzyl-4-[1-[(5-fluoropyridin-2-yl)methyl]piperidin-4-yl]oxypyrrolo[2,3-d]pyrimidine