Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) COC(=O)c1ccc(O)c(Sc2cc(C(=O)OC)ccc2O)c1
(b) Cc1ccc(S(=O)(=O)CC(=O)N2CCN(c3ccc(F)cc3)CC2)cc1
(c) CCOc1ccc(CCNC(=O)c2nnn(CC(=O)Nc3ccc(OC)cc3)c2N)cc1OCC
(d) O=S(=O)(Nc1ccc2c(c1)OCO2)c1cccc(Br)c1
Answer: b
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_inhib#not &NULL}a {herg_inhib__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_inhib%}
Answer: {%multiple_choice_result}