Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: O=c1ccc2ncc(F)c3c2n1C[C@@]3(O)CC12CCC(NCc3cc(Cl)c4c(c3Cl)OCCO4)(CC1)CO2
b: CCCCn1nc(NCC(=O)NC2CN(C3CCC(C(=O)OCC)CC3)C2)c2cc(C(F)(F)F)ccc21
Answer: b
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}
ethyl4-[3-[2-[[1-butyl-5-(trifluoromethyl)indazol-3-yl]amino]ethanoylamino]azetidin-1-yl]cyclohexane-1-carboxylate