CCOC(=O)c1c(OCC)[nH]c(=O)c(C(c2cccs2)c2c(O)c(C(=O)OCC)c(OCC)[nH]c2=O)c1O
Hydrogen bond acceptor is the chemical compound which contains the lone electron pairs that participate in the hydrogen bond formation. How many hydrogen bond acceptors does the molecule contain?