Using CCOC(=O)CBr, COC(=O)C1=C(c2c(-c3ccccc3)[nH]c3cc(C(=O)O)ccc23)CCC1 to produce CCOC(=O)Cn1c(-c2ccccc2)c(C2=C(C(=O)OC)CCC2)c2ccc(C(=O)O)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.