Using O=c1[nH]c2cc(Cl)ccc2c(=O)o1, NCC1CCN(C(c2ccccc2)c2ccccc2)CC1 to produce Nc1cc(Cl)ccc1C(=O)NCC1CCN(C(c2ccccc2)c2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.