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 O=c1nc(NC2CCN(Cc3ccc4ccccc4c3)CC2)c2cc(Cl)ccc2n1CC(F)(F)F
b O=C(NC1CCN(Cc2ccc3c(c2)OCO3)CC1)C1=CC(=O)c2ccc(O)cc2C1
c O=C(Cn1cc(Nc2ncnc3cc(OCCCN4CCC[C@@H]4CO)ccc23)cn1)Nc1cccc(F)c1F
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}
6-chloro-4-[[1-(naphthalen-2-ylmethyl)piperidin-4-yl]amino]-1-(2,2,2-trifluoroethyl)quinazolin-2-one