Using CCCCc1nc(C#N)c(-c2ccc(C(=O)OC)cc2N)n1CC(C)(C)O to produce CCCCc1nc2c(N)nc3cc(C(=O)OC)ccc3c2n1CC(C)(C)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.