Using CCOC(=O)C1(CCCn2c(=O)ccc3ccc(OC)cc32)CCN(CCSc2cccs2)CC1 to produce COc1ccc2ccc(=O)n(CCCC3(C(=O)O)CCN(CCSc4cccs4)CC3)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.