Using O, CC(C)=CCC[C@@H](C)CCCn1c(=O)c2c(ncn2C)n(C)c1=O to produce C[C@H](CCCn1c(=O)c2c(ncn2C)n(C)c1=O)CCC(O)C(C)(C)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.