Using O=Cc1ccc2c(c1)OCO2, NCCOc1ccc(-n2ccnc2)cc1 to produce c1cn(-c2ccc(OCCNCc3ccc4c(c3)OCO4)cc2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.