Using CC[C@@H](NCc1ccnc2c1c(C(=O)OC)cn2C(=O)OC(C)(C)C)C(=O)N1CCCC1 to produce CC[C@@H](NCc1ccnc2[nH]cc(C(=O)O)c12)C(=O)N1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.