SMILES: CCCCCCCCCCCCCCCC(=O)OCCOCC([C@@H]1[C@@H](C(CO1)OCCO)OCCO)OCCO
Description: The molecule is a polymer composed of PEG-ylated sorbitan, where the total number of poly(ethylene glycol) units is 20 (w + x + y + z = 20) and a single terminal is capped by a palmitoyl group. It has a role as a nonionic surfactant.