Using O=C1CCc2cc(N3CCNCC3)ccc2N1, ClCc1ccc2c(c1)OCO2 to produce O=C1CCc2cc(N3CCN(Cc4ccc5c(c4)OCO5)CC3)ccc2N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.