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 C[C@@H](c1ccc(-c2cn(C)c(=O)cc2CO)cc1)[C@H](N)C(=O)N1CC[C@H](F)C1.O=C(O)C(F)(F)F
b COc1ccccc1[C@@H](C)N[C@@H]1CC[C@@H](C(=O)N2CCC(C(=O)N3CCCC3)(c3ccccc3)CC2)C(C)(C)C1
c CC1(c2cccc(-c3cncnc3)c2)N=C(N)c2ccccc2S1
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}
2-methyl-2-(3-pyrimidin-5-ylphenyl)-1,3-benzothiazin-4-amine