Using CCCC1(Cc2ccccc2Cl)N=c2cc(NC(=O)OC(C)(C)C)ccc2=C1C(=O)C(C)C to produce CCCc1c(C(=O)C(C)C)c2ccc(N)cc2n1Cc1ccccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.