Using CI, CCOC(=O)C1CCCn2c(-c3ccc(-c4cnc(C)o4)c(OC)c3)nnc21 to produce CCOC(=O)C1(C)CCCn2c(-c3ccc(-c4cnc(C)o4)c(OC)c3)nnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.