Using COc1cc2nc(N3CCc4cc(OCc5ccccc5)c(OC)cc4C3)cc(N)c2cc1OC to produce COc1cc2c(cc1O)CCN(c1cc(N)c3cc(OC)c(OC)cc3n1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.