Using CS(=O)(=O)Cl, OCc1ccc2c(c1)CN(CCCc1ccccc1)C2 to produce CS(=O)(=O)OCc1ccc2c(c1)CN(CCCc1ccccc1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.