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, or d without using any other words.
Options:
(a) COc1ccc(C2(c3cccc(-c4cncnc4)c3)CCC(N)=N2)cc1
(b) O=C1N(CCN2Cc3ccccc3C2)CCN1c1cccc(OC(F)(F)F)c1
(c) CN1CC2CC1CN2c1ncc(-c2ccccc2)cn1
(d) O=c1cc(OCc2ccccc2)ccn1-c1ccc2c(cnn2CCN2CC[C@H](O)C2)c1
Answer: b, d
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-(1,3-dihydroisoindol-2-yl)ethyl]-3-[3-(trifluoromethoxy)phenyl]imidazolidin-2-one