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 other words.
Options:
a. Cc1nn(CCOCC(F)(F)F)c2c(Nc3ccncn3)nc(N3CCNC(C)C3)nc12
b. Cn1cc([C@@]2(c3cncc(C(=O)O)c3)N[C@@H](c3nc(-c4ccc(F)cc4)c[nH]3)Cc3c2[nH]c2ccccc32)cn1
c. C[NH+](C)CCOC(c1ccccc1)c1ccccc1
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}
3-methyl-5-(3-methylpiperazin-1-yl)-N-pyrimidin-4-yl-1-[2-[2,2,2-tris(fluoranyl)ethoxy]ethyl]pyrazolo[4,3-d]pyrimidin-7-amine