You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the SMILES representation of the molecule (5E)-5-[(1-butyl-2,3-dihydroindol-5-yl)methylidene]-1-naphthalen-1-yl-2-sulfanylidene-1,3-diazinane-4,6-dione .
user
CCCCN1CCC2=CC(C=C3C(=O)NC(=S)N(C4=CC=CC5=CC=CC=C45)C3=O)=CC=C21
assistant