Using COC(=O)COc1ccc(CC(C)NCCO)cc1, O=C(CBr)c1csc(Cl)n1 to produce COC(=O)COc1ccc(CC(C)N2CCOC(c3csc(Cl)n3)C2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.