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 or b without using any other words.
Options:
a. O=C(NC(c1ccncc1)c1ccc(F)cc1)[C@@H]1CC[C@@H](N2CCOCC2)C[C@H]1c1ccc(Br)cc1
b. CN(C)CCCn1nc(C2=C(c3cn(-c4cccnc4)c4ccccc34)C(=O)NC2=O)c2ccccc21
Answer: a, b
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}
(1R,2R,4R)-2-(4-bromophenyl)-N-[(4-fluorophenyl)-pyridin-4-ylmethyl]-4-morpholin-4-ylcyclohexane-1-carboxamide