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 Cc1c(CNCCc2ccc(Cl)cc2)c(C(=O)O)c(C)n1Cc1ccccc1
b CCN1CCN(C(=O)CSCc2nc(-c3ccc(OC)c(OC)c3)oc2C)CC1
c COc1ccc(NC(=O)C2CCC(CNc3c(N4CCCCC4)c(=O)c3=O)CC2)cc1OC
d CCSc1nnc2c(n1)OC(c1ccccn1)N(C(C)=O)c1ccccc1-2
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}