Using COC(=O)CNC(=O)CCc1c(C)cc(-c2nnc(-c3cc(CC(C)C)c(C)s3)o2)cc1C to produce Cc1cc(-c2nnc(-c3cc(CC(C)C)c(C)s3)o2)cc(C)c1CCC(=O)NCC(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.