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 additional words.
Options:
a: COC(=O)Nc1ccc(-c2nc(N3CCOCC3)c3cnn(C4CCN(C(=O)OC)CC4)c3n2)cc1
b: OC[C@H]1O[C@@H](OCCc2ccc(O)cc2)[C@H](O)[C@@H](O)[C@@H]1O
c: Cc1c2c(n3c1CCCN1CCC[C@@H]1CNc1cc-3ccc1C(N)=O)CC(C)(C)CC2=O
Answer: 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}
(18R)-5,5,9-trimethyl-7-oxo-2,14,20-triazapentacyclo[19.3.1.02,10.03,8.014,18]pentacosa-1(25),3(8),9,21,23-pentaene-22-carboxamide