Using S=c1[nH]c2ccc(Cc3ccccc3)cc2[nH]1, CC(=O)CCl to produce CC(=O)CSc1nc2ccc(Cc3ccccc3)cc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.