Using CCI, CC(C)CC=C1CCC2(CC1)SC(CC(=O)OC(C)(C)C)C(=O)N2CCC(=O)O to produce CCOC(=O)CCN1C(=O)C(CC(=O)OC(C)(C)C)SC12CCC(=CCC(C)C)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.