Using CCOC(=O)c1ccc2c(c1)[C@]1(C)CCN(C(=O)c3ccc4nc[nH]c4c3)[C@H](C2)[C@H]1C to produce C[C@@H]1[C@H]2Cc3ccc(C(=O)O)cc3[C@]1(C)CCN2C(=O)c1ccc2nc[nH]c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.