Using O=Cc1ccc(OCc2ccccc2)c(OCc2ccccc2)c1, O=C(O)CN1C(=O)CSC1=S to produce O=C(O)CN1C(=O)C(=Cc2ccc(OCc3ccccc3)c(OCc3ccccc3)c2)SC1=S, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.