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) CCn1cc([C@@]2(c3nn(C)c(=O)o3)N[C@@H](c3nc(-c4ccc(F)cn4)c[nH]3)Cc3c2[nH]c2ccccc32)cn1
(b) CN(C)c1nc2c(CCC34CCC(NCc5ccc6c(n5)NC(=O)CO6)(CC3)CO4)c(F)cnc2cc1C(F)(F)F
(c) CC(C)Cn1c(=O)n(C)c(=O)c2[nH]cnc21
(d) Cc1cc(C#N)ccc1-c1ccnc(NCc2cc(-c3ccccn3)n[nH]2)c1
Answer: b, 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}
6-[[[1-[2-[6-(dimethylamino)-3-fluoranyl-7-(trifluoromethyl)-1,5-naphthyridin-4-yl]ethyl]-2-oxabicyclo[2.2.2]octan-4-yl]amino]methyl]-4H-pyrido[3,2-b][1,4]oxazin-3-one