Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a O=C(Nc1ccccn1)c1ccc(S(=O)(=O)N2CCCCC2)cc1
b OCC1CCN(Cc2cn(Cc3ccccc3)nc2-c2cc3ccccc3o2)CC1
c Cc1occc1-c1nnc(SCC(=O)NC2CC2)n1C(C)C
d CC12CC[C@H]3[C@@H](CCC4(O)C[C@H](O)CCC34/C=N/NC(=O)Cc3ccccc3)C1(O)CCC2C1=CC(=O)OC1
e O=C(Nc1ccccc1Br)c1cc[n+]([O-])cc1
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}