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) OC(c1cccnc1)(c1cccnc1)C(c1ccccc1)N1CCNCC1
b) CS(=O)(=O)n1cc2c(n1)CN([C@H]1CO[C@H](c3cc(F)ccc3F)[C@@H](N)C1)C2
c) NC(=O)c1cnc(N[C@H]2CCCNC2)c2cc(-c3cccs3)sc12
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-phenyl-2-piperazin-1-yl-1,1-dipyridin-3-ylethanol