Using COc1ccc(CN2Cc3c(-c4ccc(C=O)cc4)nc4cccc(n34)C2=O)c(OC)c1, CNC to produce CNCc1ccc(-c2nc3cccc4n3c2CN(Cc2ccc(OC)cc2OC)C4=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.