You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[4-[(2S)-2-methylpiperidin-1-yl]-6-[(3S)-3-methylpiperidin-1-yl]pyrimidin-2-yl]-3-(3-phenylpropyl)thiourea is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H38N6S
assistant