Using CC(C)(C)OC(=O)N1CCC(C(O)(c2ccc3c(c2)OCO3)c2ccc3c(c2)OCO3)CC1, CI to produce COC(c1ccc2c(c1)OCO2)(c1ccc2c(c1)OCO2)C1CCN(C(=O)OC(C)(C)C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.