Clc1ccc2c(c1)C(c1ccccc1Cl)=NCc1nnc(N3CCN(CCSc4ccccc4)CC3)n1-2.O.O=C(O)/C=C/C(=O)O
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?