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 other words.
Options:
a COc1ccc(CNC(=O)CN(C(=O)c2csnn2)c2cccc3c2CCCC3)cc1
b C=CCNC(=O)c1ccc(NC(=O)CC2SC(N3CCCC3)=NC2=O)cc1
c Cc1ccccc1-n1ncc2c1CC(C)(C)CC2NC(=O)CCC1=NNC(=O)CC1
d CCN1C(=O)N[C@@H](c2cccc(C(F)(F)F)c2)[C@@H](C(=O)OC)[C@H]1C
Answer: c
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}