Using COC(=O)CC1CCC(c2ccc(-c3ccc(Nc4ccc(SC)cn4)cn3)cc2)CC1 to produce CSc1ccc(Nc2ccc(-c3ccc(C4CCC(CC(=O)O)CC4)cc3)nc2)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.