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, or c without using any additional words.
Options:
a) Cc1cc(OC2CCN(CC3CCN([C@@](C)(Cc4ccc(F)cc4)C(=O)O)CC3)CC2)ccc1Cl
b) CCc1oc(CCc2cc(N3CCOCC3)cc(NCCOC)n2)nc1C
c) CC(C)C[C@@H](C=O)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC(C)C)NC(=O)OCc1ccccc1
Answer: 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}
6-[2-(5-ethyl-4-methyl-1,3-oxazol-2-yl)ethyl]-N-(2-methoxyethyl)-4-morpholin-4-ylpyridin-2-amine