Using CC(c1oc(=O)c2ccccc2c1C1=CCN(C(=O)OC(C)(C)C)CC1)n1nc(I)c2c(N)ncnc21 to produce CC(c1oc(=O)c2ccccc2c1C1=CCNCC1)n1nc(I)c2c(N)ncnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.