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 additional words.
Options:
a Cc1nc2ccc(Oc3ccc4c(c3)OCO4)nc2c(=O)n1CC1CCCN(C(C)C)C1
b CCOC[C@H](Oc1ncnc2c1cnn2-c1ncccc1Cl)C(=O)Nc1ccc(C)cn1
c COc1ccccc1OCCNC[C@@H](O)COc1cccc2[nH]c3ccccc3c12
d CN(C)C(=O)[C@@H](c1ccc(-c2ccn3ncnc3c2)cc1)[C@H](N)C(=O)N1CCC(F)(F)C1.O=C(O)C(F)(F)F
Answer: c
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}
(2R)-1-(9H-carbazol-4-yloxy)-3-[2-(2-methoxyphenoxy)ethylamino]propan-2-ol