Using Clc1ccc2c(c1)CC(N1CCNCC1)c1ccccc1S2, O=C1OCCN1CCCl to produce O=C1OCCN1CCN1CCN(C2Cc3cc(Cl)ccc3Sc3ccccc32)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.