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, c, d, or e without using any other words.
Options:
a.) O=C1N(CCN2CC3CCC(CC3)C2)CCN1c1cccc(Cl)c1
b.) O=C(O)[C@@H](CC1CCC1)N1C[C@H](CN2CCC(c3cnc4ccc(C(F)(F)F)cn34)CC2)[C@@H](c2cccc(F)c2)C1
c.) O=c1ccc2ncc(F)c3c2n1C[C@@]3(O)CC12CCC(NCc3ccc4c(n3)NCCO4)(CC1)CO2
d.) C[C@@H]1CN(c2nc(C(F)(F)F)no2)CCN1c1ncc(OCc2ccc(C[S+](C)[O-])cc2F)cn1
e.) Cc1cc(/C=C2\SC(=Nc3ccccc3)NC2=O)c(C)n1-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}
1-[2-(3-azabicyclo[3.2.2]nonan-3-yl)ethyl]-3-(3-chlorophenyl)imidazolidin-2-one