Using C[C@H]1CC[C@H](C(=O)N(c2cc(C3=CCC4(CC3)OCCO4)sc2C(=O)O)[C@H]2CC[C@H](O)CC2)CC1 to produce C[C@H]1CC[C@H](C(=O)N(c2cc(C3=CCC(=O)CC3)sc2C(=O)O)[C@H]2CC[C@H](O)CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.