Using Sc1ccccc1, COc1ccc(-c2nc3ncccc3[nH]2)c(OCCCl)c1 to produce COc1ccc(-c2nc3ncccc3[nH]2)c(OCCSc2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.