Using COCOc1ccc2c(=O)c(C)c(N3CCN(C(C)=O)CC3)oc2c1C to produce CC(=O)N1CCN(c2oc3c(C)c(O)ccc3c(=O)c2C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.