Using O=S(Cl)Cl, O=C(O)C1CCN(CCCCOc2ccccc2CCc2ccccc2)CC1 to produce O=C(Cl)C1CCN(CCCCOc2ccccc2CCc2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.