Task: Please answer the multiple choice question.
Question: Which molecules are not 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] COc1ccc(C2(c3cccc(-c4cncnc4)c3)N=C(C)C(N)=N2)cc1C
[b] O=C(C1CNCCC1(O)c1ccc(F)c(F)c1)N(Cc1cn(Cc2ccccc2OC(F)F)c2cccc(F)c12)C1CC1
[c] COc1ccc(Cn2ccc3nc(N)nc(NCc4cc(C)on4)c32)nc1OC
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}
2-(4-methoxy-3-methylphenyl)-5-methyl-2-(3-pyrimidin-5-ylphenyl)imidazol-4-amine