Task: Please generate a SMILES based on the text description below.
Description: A molecule that is a human ether-à-go-go related gene (hERG) blocker (<10uM).
Result: O=C1CC2(CCCC2)CC(=O)N1CCCCN1CCN(c2ncccn2)CC1
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: A molecule that is a {herg_blocker__names__noun}.
Result: {SMILES#}
8-[4-(4-pyrimidin-2-ylpiperazin-1-yl)butyl]-8-azaspiro[4.5]decane-7,9-dione