Using c1ccc(C2(c3ccccc3)NCCc3ccccc32)cc1, O=C(Cl)CCl to produce O=C(CCl)N1CCc2ccccc2C1(c1ccccc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.