You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you tell me the SMILES representation for the molecule 3-[5-[3-[5-[6-(ethylamino)pyridin-3-yl]-3-oxopent-1-en-2-yl]-4-(methylamino)phenyl]pyridin-3-yl]-1,1-dimethylurea ?
user
C=C(C(=O)CCC1=CC=C(NCC)N=C1)C1=CC(C2=CN=CC(NC(=O)N(C)C)=C2)=CC=C1NC
assistant