Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] O=c1n(Cc2ccccc2)c2sc3c(c2c2ncnn12)CCN(CC1CCOCC1)C3
[b] N#Cc1ccc(S(=O)(=O)NCCCN2CC3CN(CCOc4c(F)cccc4F)CC(C2)O3)cc1
[c] 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
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}
8-benzyl-13-(oxan-4-ylmethyl)-10-thia-3,5,6,8,13-pentazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,11(16)-tetraen-7-one