Using NC[C@H]1COc2cc3c(cc2O1)OCO3, O=c1ccc2ccc(OCCCCl)cc2o1 to produce O=c1ccc2ccc(OCCCNC[C@H]3COc4cc5c(cc4O3)OCO5)cc2o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.