Using COC(=O)Cl, COCCO[C@@H]1c2ccn3c(C)c(C)nc3c2N[C@H](c2ccccc2)[C@H]1O to produce COCCO[C@@H]1c2ccn3c(C)c(C)nc3c2N[C@H](c2ccccc2)[C@H]1OC(=O)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.