Using Cc1oc(-c2ccccc2)nc1COc1cccc(CSc2cccc(C=O)c2)c1, CCOC(=O)CC(=O)OCC to produce CCOC(=O)C(Cc1cccc(SCc2cccc(OCc3nc(-c4ccccc4)oc3C)c2)c1)C(=O)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.