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) Cc1ccc(-c2ncn(-c3ccc(Nc4nccc(-c5cccc(N6CCOCC6)c5)n4)cc3)n2)cn1
(b) O=C(NC1CCN(Cc2ccc(OCCCN(C3CC3)C3CC3)c(F)c2)CC1)c1cc(=O)c2ccc(F)cc2o1
(c) CCN(CC)CCOCCOC(=O)C1(c2ccccc2)CCCC1
(d) CC[C@@H](C)[C@H](C(=O)O)N1C[C@H](CN2CCC(c3cc(Cc4ccc(OC5CCC5)cc4)nn3CC)CC2)[C@@H](c2cccc(F)c2)C1
Answer: b, 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-[2-(diethylamino)ethoxy]ethyl1-phenylcyclopentane-1-carboxylate