Using CCCS(=O)(=O)Cl, NCCOc1ccc2c(c1)CCN=C2C1(c2ccc(Cl)cc2)CCC1 to produce CCCS(=O)(=O)NCCOc1ccc2c(c1)CCN=C2C1(c2ccc(Cl)cc2)CCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.