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 N-(cyclohexylmethyl)-4-(ethylamino)-N-methylpyridine-2-carboxamide .
user
CCNC1=CC=NC(C(=O)N(C)CC2CCCCC2)=C1
assistant