Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: O=C(c1cc(Cl)c(O)cc1OC[C@@H](O)CN1CCC2(CC1)Cc1cc(Cl)ccc1O2)N1CC[C@H](O)C1
b: c1ccc(CN2CCCC(c3c(-c4ccccc4)[nH]c4ccccc34)C2)cc1
c: CC(C)C[C@@H](N)[C@H](O)C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@@H](CC(=O)O)C(=O)O)C(C)C)C(C)C
d: CC(C)(C)COc1ccc2c(c1)[C@]1(COC(N)=N1)c1cc(-c3c(F)ccnc3F)ccc1O2
Answer: 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}
(4S)-2'-(2,4-difluoropyridin-3-yl)-7'-(2,2-dimethylpropoxy)spiro[5H-1,3-oxazole-4,9'-xanthene]-2-amine