Using CC(C)Nc1cnc2c(n1)OCCN(C(=O)OC(C)(C)C)C2, CCI to produce CCN(c1cnc2c(n1)OCCN(C(=O)OC(C)(C)C)C2)C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.