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) Nc1cncc(Nc2ccc(Oc3ccc(F)cc3)cc2)n1
(b) Cc1nc2cc(-n3ncc(C(=O)c4cc5ccc(Br)cc5[nH]4)c3N)ccc2[nH]1
(c) FC(F)Oc1cc(-c2cnn(Cc3cc[nH]n3)c2)ccc1Cl
(d) C[C@@H]1NC(=O)CC[C@H](O[C@H](C)c2cc(C(F)(F)F)cc(C(F)(F)F)c2)[C@H]1c1ccc(F)cc1
Answer: a, c, d
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}
2-N-[4-(4-fluorophenoxy)phenyl]pyrazine-2,6-diamine