Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: CC(C)CCNC(=O)CN(Cc1ccc2c(c1)OCO2)C(=O)CCC(=O)Nc1ccccn1
b: CSc1nc(C)c(C(=O)C[n+]2ccccc2C)cc1C#N.[Br-]
c: CC(C)(C)OC(=O)N[C@H](C(=O)OC(C)(C)C)c1ccc2c(c1)OCO2
d: CCO[C@@H]1OC(C(=O)NC2CC2)=C[C@H](c2ccc3c(c2)OCO3)[C@H]1CCCO
Answer: a
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}