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 additional words.
Options:
(a) CCNC(=O)Nc1ccc2ncc(Nc3ccc(C)cc3)nc2n1
(b) COc1ccc2ncc(F)c(CC(OCC(=O)O)C34CCC(NCc5ccc6c(n5)NC(=O)CO6)(CC3)CO4)c2n1
(c) O=c1ccc2ncc(F)c3c2n1C[C@@]3(O)CC12CCC(NCc3ccc4c(n3)NCCN4)(CC1)CO2
(d) CCOC(=O)C1=C(CN2CCOC[C@H]2C(=O)O)NC(c2nccs2)=NC1c1ccc(F)cc1Br
(e) O=C(O)c1cccc(N2CCC(CN3CCC(Oc4ccc(Cl)c(Cl)c4)CC3)CC2)c1
Answer: 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}
2-[2-(3-fluoro-6-methoxy-1,5-naphthyridin-4-yl)-1-[4-[(3-oxo-4H-pyrido[3,2-b][1,4]oxazin-6-yl)methylamino]-2-oxabicyclo[2.2.2]octan-1-yl]ethoxy]acetic acid