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) Cc1nc([C@]2(c3cnn(CC4CC4)c3)N[C@@H](c3nc(-c4ccc(F)cn4)c[nH]3)Cc3c2[nH]c2ccccc32)no1
(b) COc1cc(-c2cn(Cc3ccc(-c4noc(-c5ccncc5)n4)cc3)nn2)ccc1-n1cnc(C)c1
(c) CCc1oc(CCc2cc(N3CCOCC3)cc(NC(C)C)n2)nc1C
(d) O=C(O)[C@H]1O[C@H](Oc2cc3oc(-c4ccccc4)cc(=O)c3c(O)c2O)[C@H](O)[C@@H](O)[C@@H]1O
Answer: a, c
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}
3-[(1R,3R)-1-[1-(cyclopropylmethyl)pyrazol-4-yl]-3-[4-(5-fluoranylpyridin-2-yl)-1H-imidazol-2-yl]-2,3,4,9-tetrahydropyrido[3,4-b]indol-1-yl]-5-methyl-1,2,4-oxadiazole