Using CCOC(=O)COc1ccc(Cl)cc1C1c2sc(Br)nc2CCN1C(=O)OCc1ccccc1, CCC[Zn+] to produce CCCc1nc2c(s1)C(c1cc(Cl)ccc1OCC(=O)O)N(C(=O)OCc1ccccc1)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.