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, d, or e without using any other words.
Options:
(a) O=C(N1CCc2ncc(C(F)(F)F)cc2C1)[C@@]12CCC[C@@H]1C[C@@H](NC1CCCCCC1)C2
(b) N#Cc1ccc2cc1Oc1ccc3cccc(c3c1)N1CC[C@H](NCc3cncn3C2)C1=O
(c) NC1C(=O)NC1COc1ccc2ncc(F)c(CCC34CCC(NCc5ccc6c(n5)NC(=O)CO6)(CC3)CO4)c2n1
(d) CC(=O)N(CCOc1ccc([N+](=O)[O-])cc1)CCc1ccc([N+](=O)[O-])cc1
(e) COc1cc(N2CCC(N3CCN(C)CC3)CC2)ccc1Nc1ncc(Cl)c(Nc2ccccc2S(=O)(=O)C(C)C)n1
Answer: 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}
N-[2-(4-nitrophenoxy)ethyl]-N-[2-(4-nitrophenyl)ethyl]acetamide