Using COC(=O)C(CCCNS(=O)C(C)(C)C)c1c(-c2ccc(C)cc2)nc2ccc(C)cn12 to produce Cc1ccc(-c2nc3ccc(C)cn3c2C2CCCNC2=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.