Using Cc1[nH]c(C(=O)NC2CCNCC2)c(Cl)c1Cl, CCOC(=O)c1sc(Br)nc1C to produce CCOC(=O)c1sc(N2CCC(NC(=O)c3[nH]c(C)c(Cl)c3Cl)CC2)nc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.