Using CSc1nc(NCC2CCN(C(=O)OCc3ccccc3)CC2)c(Cl)c(SC)n1 to produce O=C(OCc1ccccc1)N1CCC(CNc2ncncc2Cl)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.